Biological evolution can occur through all of the given options except: (b) fossilization.
Evolution is the process of slow and gradual changes that occur in a population or species over a long course of time, nearly numerous generations. The evolution occurs for the organisms to survive better in their surroundings.
Fossilization is the process through which the dead and decaying parts of the living organisms (both plants and animals) bury deep down on the earth and forms casts, impressions or preserved remains. They are generally termed as fossils. The fossils cannot undergo evolution because it is the phenomenon that happens in living organisms.
Therefore the correct answer is option b.
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depolarizing potential in post synaptic neuron; response to excitatory synapse activation is description of?
Depolarizing potential in the post-synaptic neuron; response to excitatory synapse activation is the description of an action potential.
When an excitatory neurotransmitter is released into the synapse, it causes a depolarizing potential in the post-synaptic neuron. The depolarization, if it reaches a certain threshold, triggers an action potential that sends an electrical signal down the axon of the neuron to the next synapse. This process is known as neural transmission.
When a neuron is stimulated by an excitatory neurotransmitter, it becomes depolarized. Depolarization means that the membrane potential of the neuron becomes less negative than its resting state. If the depolarization reaches a certain threshold, typically around -55 mV, it triggers an action potential. An action potential is a rapid, all-or-nothing depolarization of the neuron that travels down the axon to the next synapse.
The action potential is initiated by the opening of voltage-gated sodium channels in the neuron's membrane. Sodium ions flow into the neuron, causing further depolarization and the opening of more voltage-gated sodium channels. This creates a positive feedback loop that rapidly depolarizes the neuron and sends an electrical signal down the axon.
Once the action potential reaches the axon terminal, it triggers the release of neurotransmitters into the synapse. These neurotransmitters can then bind to receptors on the post-synaptic neuron, either causing it to depolarize further (in the case of excitatory neurotransmitters) or hyperpolarize (in the case of inhibitory neurotransmitters). This process repeats itself over and over again, allowing for the rapid and precise transmission of information in the nervous system.
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At the World Championships in Athletics in Helsinki in August of 2005, a virus called Cabir infected dozens of __________, the first time this occurred in a public setting.
At the World Championships in Athletics in Helsinki in August of 2005, a virus called Cabir infected dozens of mobile phones, the first time this occurred in a public setting.
What is a mobile phone?A mobile phone is a cellular phone that allows voice communication and text messaging over a wireless network. Most mobile phones are capable of accessing the internet, which has become an important resource for individuals to access information and services.
Cabir is a worm that infects mobile phones. It was first discovered in 2004 and is one of the earliest known viruses that affect mobile phones. Cabir is a proof-of-concept virus that was designed to spread between Bluetooth-enabled devices. It infects mobile phones running the Symbian operating system, which was popular on Nokia phones at the time.
Cabir infects a mobile phone by attempting to pair with other Bluetooth devices in the area. Once it has infected a device, it displays the message "Caribe" on the screen. The virus does not cause any damage to the device, but it can quickly drain the battery if it is not removed.
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8. Most organisms were unable to live in the area for the first six months after the eruption. After the pioneer species, what organisms to you expect to begin inhabiting the area?
[] secondary consumers
[] tertiary consumers
[] primary consumers
[]autotrophs
9. Two types of stickleback fish are found in a lake in British Columbia. One kind of stickleback is large, lives on the bottom of the lake, and eats other fish. The second kind of stickleback is small, lives in the open water, and eats plankton.Based on this information, which of the following statements most likely describes the two kinds of stickleback fish?
[] they are different populations of fish
[] they are different communities of fish
[] are they the same population of fish
[] are they the same community of fish
8. After the pioneer species, you would expect primary consumers, such as autotrophs, to begin inhabiting the area.
9. The two kinds of stickleback fish seen are different populations of fish.
8. Pioneer species are the first organisms to colonize a new area after a disturbance, such as a volcanic eruption. They are often autotrophs, such as lichens or algae, that can survive in harsh conditions.
Over time, as the pioneer species break down rocks and other materials and add organic matter to the soil, other organisms are able to move in. This includes primary consumers, which are organisms that eat autotrophs.
Therefore, it is expected that primary consumers will begin inhabiting the area after the pioneer species.
9. Populations are groups of organisms of the same species that live in the same area and interact with each other. In this case, there are two different types of stickleback fish, one large and bottom-dwelling and the other small and living in the open water.
These two types of fish are both sticklebacks, but they have different traits and habitats, which suggests that they are different populations.
A community, on the other hand, is all of the populations of different species that live in the same area and interact with each other.
Therefore, it would be correct to say that the two different populations of fish are seen.
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which hormones can have effects on all cells and are responsible for establishing the basal metabolic rate?
Thyroid hormones can have effects on all cells and are responsible for establishing the basal metabolic rate.
The thyroid gland produces two primary hormones, triiodothyronine (T3) and thyroxine (T4), which are regulated by the pituitary gland through the secretion of thyroid-stimulating hormone (TSH). Once secreted into the bloodstream, these hormones bind to receptors within cells and activate specific genes that are involved in various cellular processes, including metabolism and energy production.
The levels of thyroid hormones in the body are tightly regulated and any imbalances can result in a range of conditions, including hypothyroidism and hyperthyroidism.
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At its core, science is about inquiry—the act of asking questions and seeking answers. Most labs begin as the result of a question, and the pre-lab information of your lab report should include a question. For example, you may have noticed that you seem to play basketball better at the court in the park than you do at home in my driveway. After doing some thinking and research, you realize that the surface of the court at the park is different than your driveway. As a result, you might formula a scientific question, "What is the effect of the court surface on the height that the basketball bounces?" To answer this question scientifically, you could perform several experiments and gather data
Science is fundamentally driven by curiosity and the desire to understand the world around us. This begins with asking questions and seeking answers through inquiry.
In the context of a laboratory experiment, the process typically begins with identifying a scientific question, which serves as the basis for the experiment. This question should be specific, clear, and testable, and it should guide the entire experimental process, from the hypothesis to the data collection and analysis.
In the example of the basketball experiment, the question "What is the effect of the court surface on the height that the basketball bounces?" provides a clear direction for the investigation. By systematically varying the surface texture, material, and height of the basketball hoop, and measuring the height of the bounce using a standardized method, the student can collect data to test their hypothesis and answer the question.
Through this process of inquiry, the student can gain a deeper understanding of the factors that influence the height of the basketball bounce and potentially develop new insights into the physics of basketball. This highlights the importance of asking questions in science, as it drives the experimental process and leads to new discoveries and knowledge.
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while examining a human cell that functions normally, you determine that it has 45 functional chromosomes and one chromosome that is almost completely inactive. you immediately decide that it is very likely that this cell .
After examining a human cell that functions normally and discovering that it has 45 functional chromosomes and one chromosome that is almost completely inactive, the inference is very likely that this cell is perfectly normal.
That's because humans have two sex chromosomes: females have two X chromosomes, while males have one X and one Y chromosome. Therefore, individuals with 45 functional chromosomes and one chromosome that is almost completely inactive are perfectly normal. The inactive chromosome is referred to as an "inactivated" X chromosome.
This is a normal occurrence, and it occurs randomly in females during early embryonic development, ensuring that females do not receive a double dose of X-linked genes. Generally, the X chromosome is so large that only one active copy is required, and the other is either silenced or inactivated in females. Since males do not have two X chromosomes, they do not have an inactive X chromosome like females do. To sum up the inference, individuals with 45 functional chromosomes and one inactive chromosome are perfectly normal cell, and there is no evidence of any disease or abnormality.
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Can you help me please?
conscious and voluntary movements are associated with the ________ nervous system.
The somatic nerve system is related to voluntary and conscious movement.
Which nerve system is in charge of both voluntary and involuntary motion?The central nervous system is composed of the brain and spinal cord (CNS) .The CNS regulates both the body's voluntary movements and some of its involuntary ones, such reflexes. The frontal lobe's cognitive cortical areas or the occipital, parietal, and temporal lobes' sensory cortical regions may be the starting points for the major information flow.
Where in the neurological system does conscious control reside?The reticular activation system, also known as RAS, is the mechanism through which the reticular formation regulates the state of consciousness in the body. RAS neurons in the brain stem are activated by sensory axons, which are present in visual, auditory, and sensory impulses.
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what body system moves and supplies nutrients around the body
The circulatory system is responsible for moving and supplying nutrients around the body. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood.
The heart is a muscular organ that pumps blood through the blood vessels to deliver oxygen, nutrients, hormones, and other substances to the cells and tissues of the body. The blood vessels provide a network of tubes for the blood to flow through, and the capillaries are the smallest blood vessels that allow for the exchange of nutrients, oxygen, and waste products between the blood and the cells. The blood contains red blood cells, which carry oxygen, and white blood cells, which are involved in the immune system and help fight infections. Additionally, the circulatory system is responsible for removing waste products, such as carbon dioxide and other metabolic waste, from the cells and transporting them to the lungs and kidneys for elimination from the body.
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methicillin-resistant staphylococcus aureus (mrsa) can be a serious threat to human health. there is evidence that s. aureus infections are common in hospitals and that mrsa have become resistant to other antibiotics besides methicillin. this suggests that the rapid evolution of resistance in the bacteria poses a serious public-health challenge. which of the following best explains the ability of mrsa to evade existing drug therapies? responses mrsa have very long generation times and very large population sizes. mrsa have very long generation times and very large population sizes. mrsa develop new alleles by intentionally introducing specific mutations that will give them a selective advantage over other bacteria. mrsa develop new alleles by intentionally introducing specific mutations that will give them a selective advantage over other bacteria. mrsa metabolize many drugs in their lysosomes and therefore evolve resistance at a high rate. mrsa metabolize many drugs in their lysosomes and therefore evolve resistance at a high rate. mrsa exchange genetic material with other antibiotic-resistant bacteria, which can spread resistance in the s. aureus population.
The ability of Methicillin-resistant Staphylococcus aureus (MRSA) to evade existing drug therapies is best explained by the fact that: MRSA exchange genetic material with other antibiotic-resistant bacteria, which can spread resistance in the S. aureus population.
MRSA is a type of Staphylococcus aureus bacteria that is resistant to a variety of antibiotics, including methicillin, penicillin, and amoxicillin.MRSA's ability to evade existing drug therapies is due to the exchange of genetic material with other antibiotic-resistant bacteria, which can spread resistance in the S. aureus population.
MRSA is often spread from person to person through touch, and the infection can be contracted by those with weakened immune systems. MRSA is a very serious public health threat because it can cause severe infections that are difficult to treat with conventional antibiotic therapy. MRSA infections can lead to serious health issues, such as bloodstream infections, pneumonia, and surgical site infections.
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a person that has only a antigens on their red blood cells has type blank blood, while a person who has only b antigens will have type blank blood. a person who has both a and b antigens has type blank blood, and a person that has neither a nor b antigen has type blank blood. multiple choice question. ab; a; b; o
A person who has both A and B antigens has type AB blood, and a person that has neither A nor B antigens has type O blood group. Thus, the correct option is D.
What is Blood group?A person that has only A antigens on their red blood cells has type A blood, while a person who has only B antigens will have type B blood. A person who has both A and B antigens has type AB blood, and a person that has neither A nor B antigens has type O blood.
A person that has only A antigens on their red blood cells has type A blood, while a person who has only B antigens will have type B blood.
A person who has both A and B antigens has type AB blood, and a person that has neither A nor B antigens has type O blood.
Therefore, the correct option is D.
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Each enzyme works best at a specific pH. pH environments below or above this preferred level decrease enzyme activity by causing the enzyme to____
in photosynthesis, what is the primary electron donor in the etc?
The primary electron donor in the ETC in photosynthesis is water molecules.
What is the cell process of photosynthesis in plants?
The cell process of photosynthesis in plants relates to the production of glucose and similar simple carbs by using water sunlight and carbon dioxide as reactants, which requires a series of oxide reduction reactions or redox reactions that involve the acceptor of electrons such as water.
Therefore, with this data, we can see that the process of photosynthesis in plants is a series of redox reaction that the land use to produce carbohydrates.
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please choose the term used to describe the type of antimicrobial resistance that is of most concern today. multiple choice: A) native B) mutational C)intrinsic D) acquired E) inherent
The term used to describe the type of antimicrobial resistance that is of most concern today is acquired. So the correct option is D.
Antimicrobial resistance (AMR) is a public health problem that results when germs such as bacteria, viruses, fungi, and parasites alter over time and become resistant to medications used to cure them. Because germs that are immune to medicines that once worked for them are difficult to treat, AMR can make it difficult to treat infections in people and animals, resulting in serious infections and even death. Acquired is the most concerning type of antimicrobial resistance. It refers to a situation in which an organism acquires resistance genes from another organism, which can occur through horizontal transfer.
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what are 3 differences between the daughter cells made from mitosis vs. the daughter cells made from meiosis?
Three differences between the daughter cells made from mitosis and the daughter cells made from meiosis are as follows: 1. Mitosis daughter cells: In mitosis, two daughter cells are produced, each of which is genetically identical to the parent cell, and each has the same number of chromosomes as the parent cell.
Meiosis daughter cells: In meiosis, four daughter cells are produced, each with half the number of chromosomes as the parent cell. Each daughter cell is genetically distinct from the parent cell and each other.
2. Mitosis daughter cells: In mitosis, daughter cells are usually diploid (2n), with two sets of chromosomes.
Meiosis daughter cells: In meiosis, daughter cells are usually haploid (n), with a single set of chromosomes.
3. Mitosis daughter cells: Mitosis is responsible for cell growth, repair, and asexual reproduction in organisms. Meiosis daughter cells: Meiosis is responsible for sexual reproduction in organisms. It helps to produce genetically diverse offspring.
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Determine whether the two events are mutually exclusive. Explain your answer. a. Randomly selecting a female student Randomly selecting a student who is a Bachelor b. Randomly selecting a person with type A blood Randomly selecting a person with type O blood c. Rolling a die and getting an odd number Rolling a die and getting a number less than 3 d. Randomly selecting a person who is under 21 years of age Randomly selecting a person who is over 30 years of age
The two mutually exclusive events are options b and d.
Two events are mutually exclusive when they cannot occur at the same time. The probability of these events occurring simultaneously is zero.
Option b. is a mutually exclusive event because a person can't have both type A and type O blood at the same time. Option d. is also a mutually exclusive event because a person cannot be younger than 21 and older than 30 at the same time,
Options a. and c. are not mutually exclusive events because they can occur at the same time. The female student can be a graduate and when rolling the die she can get an odd number less than 3, which would be the number 1.
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all organisms have finite lifetimes and eventually die. which of the basic characteristics of life corrects for this? a. evolutionary adaptation b. energy utilization c. response to the environment d. reproduction
The basic characteristic of life that corrects for the finite lifetimes and eventual death of all organisms is reproduction. Therefore, alternative d is correct.
What is the basic characteristic of life that corrects for finite lifetimes and eventual death?The characteristic of life that corrects for finite lifetimes and eventual death is reproduction. This is because reproduction is the process by which organisms generate offspring and pass on their genetic material. Reproduction is essential for the continuation of life, as it ensures the survival of the species and the perpetuation of genetic variation over time.
A brief overview of the other basic characteristics of life:
Energy Utilization: Living things require energy to carry out metabolic processes.Response to Environment: Living things respond to stimuli in their environment, such as temperature changes, light, or other environmental factors.Evolutionary Adaptation: Over time, living things evolve and adapt to changing environmental conditions.In conclusion, alternative d. reproduction is correct.
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which of the following substances would not be found in lymph? proteins water lymphocytes red blood cells
The substance that would not be found in lymph is red blood cells. Lymph is a fluid that circulates in the lymphatic system's lymph vessels.
Lymph is a transparent, yellowish fluid made up of white blood cells that are transmitted from the bone marrow to the thymus gland. The lymphatic system's primary function is to maintain fluid balance in the body, prevent infection, and aid in the body's immune response.
Red blood cells in Lymph does not contain red blood cells because the cells lack nuclei and have a biconcave shape. They can only move through capillaries in single file because of their shape. Red blood cells would be too large to pass through lymphatic vessels, which have a much smaller diameter than capillaries.
This, in essence, implies that red blood cells cannot pass through the lymphatic system. Lymphocytes are a type of white blood cell that plays an essential role in the body's immune system. T cells, B cells, and natural killer cells are the three main types of lymphocytes. T cells and B cells work together to identify and kill foreign substances and antigens in the body. Natural killer cells aid in the removal of cancer cells and cells infected with viruses.
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which structure of the ear converts sound waves into vibrations?
Answer:
The Cochlea
Explanation:
The ear is the organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, the middle ear in which the vibration resonate against the tympanic membrane, a fluid-filled internal ear that maintains balance and that conducts the tympani vibrations to the auditory nerve, which transmits them as impulses to the brain. The Cochlea is a spiral-shaped cavity forming a division of the internal ear in humans and in most other mammals.
Antimicrobial agents that damage nucleic acids also affectA) the cell wall.B) the cell membrane.C) the viral envelope.D) endospores.E) protein synthesis.
Antimicrobial agents that damage nucleic acids also affect the viral envelope. So the correct answer is option C.
Nucleic acids are molecules that carry the genetic information of living organisms. These are found in the form of DNA and RNA. Antimicrobial agents target nucleic acids and disrupt their function leading to inhibition or destruction of the cell. However, the viral envelope is not made of nucleic acids. It is the outermost layer of the virus that protects the genetic material inside. Antimicrobial agents that damage nucleic acids also affect the viral envelope by disrupting the integrity of the membrane that holds the virus together.
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how is the lunar-linked rhythm of fiddler crab courtship similar in mechanism and function to the seasonal timing of plant flowering?
The lunar-linked rhythm of fiddler crab courtship is similar to the seasonal timing of plant flowering in terms of mechanism and function.
The lunar-linked rhythm of fiddler crab courtship is similar in mechanism and function to the seasonal timing of plant flowering in the following ways:
Both are regulated by environmental cues, such as light and temperature.Both involve the synchronization of biological processes with external factors.Both help to increase the likelihood of successful reproduction.Therefore, the lunar-linked rhythm of fiddler crab courtship and the seasonal timing of plant flowering are examples of biological timing mechanisms that are influenced by environmental factors.
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reverse cholesterol transport, HDL interacts with the ABC transporters to move cholesterol from the cell to the HDL. This also requires the activity of what type of enzymes?
HDL interacts with the ABC transporters to carry cholesterol from the cell to the HDL in a process known as reverse cholesterol transport. LCAT and CETP enzyme activity is also necessary for this. Hence, these are the necessary enzymes.
LCAT and CETP enzymes are necessary for the activity of HDL in the movement of cholesterol from the cell to the HDL. Reverse cholesterol transport is the mechanism through which cholesterol in cells is transported from peripheral cells to the liver for secretion into bile. It involves high-density lipoprotein (HDL), which is also known as good cholesterol.HDL interacts with the ABC transporters to move cholesterol from the cell to the HDL. This also requires the activity of LCAT and CETP enzymes.
LCAT is Lecithin Cholesterol Acyltransferase, which is a type of enzyme responsible for cholesterol transport from cells to HDL in reverse cholesterol transport. Cholesterol esters are produced by LCAT by esterifying cholesterol using the fatty acid chains of lecithin in HDL. CETP is Cholesteryl Ester Transfer Protein, which helps move cholesteryl esters from HDL to other lipoproteins. Lipid transfer proteins such as CETP assist in the transport of cholesteryl esters from HDL to other lipoproteins. HDL cholesterol in plasma is subjected to the activity of CETP.
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what another name for a single skeletal muscle cell is a?
Muscle fiber is another name for a solitary skeletal muscle cell. These are big multinucleated cells with cross-striations as their most noticeable histological feature.
A skeletal muscle is made up of individual, long cylindrical cells called muscle fibers. Myofibrils, specific structures that give muscle fibres their unique ability to contract and produce force, are found within the connective tissue that surrounds them. Fascicules, which are collections of muscle fibers encircled by more connective tissue, are known as fascicles. The entire muscle is made up of these fascicles that are then bundled together. Muscle fibers contract when triggered by a nerve impulse, causing the muscle to move.
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you are part of a mission sent to colonize a new planet, named planet x. the atmospheric composition of planet x is very similar to that of earth. your team begins work to investigate the new planet, finding new species of plants and animals. your team botanist, dr. flowers, is measuring the photosynthesis of the local plants. her hypothesis is the end products of photosynthesis in the planet x plants will be the same as the end products of earth plants. which of the following would she expect to see from the plants on planet x? a. h2o and o2 b. c6h12o6 and h2o c. co2 and h2o d. c6h12o6 and o2 e. co2 and c6h12o6
The botanist, Dr. Flowers, would expect to see C6H12O6 and O2 as the end products of photosynthesis in the plants on Planet X. The correct option is (d).
Dr. Flowers, a botanist, is measuring the photosynthesis of local plants on Planet X. Her hypothesis is that the end products of photosynthesis in Planet X's plants will be the same as those of Earth's plants.
If Dr. Flowers' hypothesis is correct, C6H12O6 and O2, would be anticipated from the plants on Planet X if Dr. Flowers' hypothesis that the end products of photosynthesis in Planet X's plants will be the same as those of Earth's plants is correct.
The primary output of photosynthesis is glucose or sugar (C6H12O6) and oxygen (O2). 6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2. This equation of photosynthesis shows that carbon dioxide (CO2) and water (H2O) are used in photosynthesis, whereas oxygen (O2) and glucose (C6H12O6) are released as products.
Therefore, Dr. Flowers' hypothesis is that Planet X's plants, like Earth's plants, will produce glucose and oxygen as photosynthesis end products. Hence, option D is correct.
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the purpose of this set of laboratory exercises is to introduce you to the basics of cell division (sometimes referred to as cellular reproduction). from this lab, and from your readings, you should learn to:
The purpose of this set of laboratory exercises is to introduce you to the basics of cell division (sometimes referred to as cellular reproduction). From this lab, and from your readings, you should learn to describe the structure and function of the cell cycle.
The cell cycle is the life cycle of the cell that includes growth and division. It is made up of two main stages, the interphase and the mitotic phase. Interphase is the stage where the cell grows and prepares for division.The mitotic phase, on the other hand, is the stage where the cell undergoes cell division.
Mitosis is the process of cell division that is responsible for the creation of two identical daughter cells that have the same genetic material as the parent cell.The cell cycle is regulated by various checkpoints and controls to ensure that the cell divides properly and accurately. The cell cycle is essential for the growth and development of an organism as well as for the repair and replacement of damaged or old cells.
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Water is a polar molecule that exhibits the properties of adhesion and cohesion. Identify the examples as either cohesion, adhesion, or both. Cohesion Both cohesion and adhesion Adhesion Water forms drops of rain in the air as a result of surface tension. Blood flows up a narrow tube as a nurse Water sticks to the cell walls of plants. collects a blood sample. Water forms into a drop on a leaf and hangs down, but it does not drop.
Water is a polar molecule that exhibits the properties of adhesion and cohesion. Cohesion, Adhesion, and Both . Cohesion: Water forms into a drop on a leaf and hangs down, but it does not drop. Blood flows up a narrow tube as a nurse collects a blood sample.
Adhesion: Water sticks to the cell walls of plants.
Both cohesion and adhesion: Water forms drops of rain in the air as a result of surface tension .The cohesive forces cause the liquid to hold together and minimize its surface area, producing a spherical droplet shape. Cohesion is the attraction between two or more molecules of the same material.
Adhesion is the attraction between two different materials. Water molecules stick to a plant's cell walls because of the adhesion between them.
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Drag each label into the proper position to identify whether the given bone is paired (right and left) or unpaired (singular) as related to the ADULT skeleton. Incus Parietal Xiphoid Vomer Trapezoid Occipital Hyoid Maxilla Mandible Sacrum Atlas Nasal Clavicle Ethmoid Frontal Patella Navicular Humerus Sphenoid Unpaired Paired
The proper position to identify whether the given bone is paired (right and left) or unpaired (singular) are:
Incus: PairedParietal: PairedXiphoid: UnpairedVomer: UnpairedTrapezoid: PairedOccipital: UnpairedHyoid: UnpairedMaxilla: PairedMandible: UnpairedSacrum: UnpairedAtlas: UnpairedNasal: PairedClavicle: PairedEthmoid: UnpairedFrontal: PairedPatella: UnpairedNavicular: PairedHumerus: PairedSphenoid: UnpairedWhat is the difference between adult skeleton and a child's skeleton?The primary difference between an adult's skeleton and a child's skeleton is the number of bones and their sizes. A newborn baby's skeleton consists of approximately 270 bones, while an adult's skeleton has 206 bones.
As the child grows, some of the bones fuse together to form larger bones, leading to a reduction in the total number of bones. In addition, the bones in a child's skeleton are generally smaller and less dense than those in an adult's skeleton, due to ongoing growth and development.
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fat leaves the chylomicron and moves into adipose cells when the chylomicron come into contact witha. ribosomeb. antibodiesc. lipoprotein lipase
When chylomicrons come into contact with lipoprotein lipase (LPL), fat leaves the chylomicron and moves into adipose cells. Therefore, the option that represents the correct answer is C. Lipoprotein lipase.
Lipoprotein lipase (LPL) is an enzyme that catalyzes the hydrolysis of triglycerides in chylomicrons and VLDLs (very-low-density lipoproteins) into glycerol and free fatty acids, which are transported into the adipose tissue for storage, muscle tissue for energy use, and other organs for various functions. LPL is produced by adipocytes, skeletal muscle cells, and the heart.
Therefore, this enzyme is found on the endothelial surface of blood vessels in the tissues where the triglyceride-rich lipoproteins come into contact. the fat leaves the chylomicron when they come into contact with lipoprotein lipase (LPL).
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50 points, need a REAL answer asap!! please help!! any not serious answers will be reported.
Identify the dispersal vector illustrated and explain and the implications of the following scenario.
Situation: A student was running an experiment using local frog spawn, intending to release the frogs after they’d gone through all the phases of metamorphosis. For the sake of convenience, the student used flowering water plants purchased at an aquarium to create the various environments for the frogs. When the experiment was through, the student released the frogs back into their pond by removing the plants and pouring out the entire habitat. A year later, the student came back to find new, non-native plants of the same variety used in the experiment now growing in the frog pond.
The dispersal vector illustrated in the scenario is **unintentional introduction through human activity**. The student introduced non-native flowering water plants into the frog pond while conducting the experiment. The plants were purchased from an aquarium and were not native to the area where the experiment was being conducted.
The implications of this scenario are that the non-native plants have established themselves in the frog pond and are now growing there. This can have negative impacts on the ecosystem, as the non-native plants could outcompete native plants for resources, alter the physical and chemical properties of the water, and impact the food web. In addition, the non-native plants could potentially spread to other water bodies, further disrupting ecosystems and potentially leading to the loss of native species.
It is important to note that unintentional introduction through human activity is a major driver of global biodiversity loss. It is crucial for individuals to be aware of the potential impacts of their actions, and take steps to prevent the introduction of non-native species into ecosystems. This can include properly disposing of plants and animals, avoiding the release of pets into the wild, and being cautious when introducing new species into an environment.
translation is accomplished by the interaction of three main components which include mrna, trna, and _____________.
Translation is accomplished by the interaction of three main components which include mRNA, tRNA, and ribosomes.
Translation is the process of protein synthesis, which occurs in all living cells. This occurs when the genetic code, which is found in the form of DNA, is transcribed into mRNA (messenger RNA) and then translated into a protein. Translation is a complex process that occurs in multiple stages.Translation involves the following steps:Initiation: In this stage, the ribosome binds to the mRNA and scans it until it reaches the start codon, AUG. Once the ribosome reaches the start codon, the tRNA carrying the amino acid methionine (Met) binds to the start codon.Elongation: During this phase, the ribosome transfers Met-tRNA to the aminoacyl (A) site, forming a peptide bond between the carboxyl end of the polypeptide chain and the amino group of the incoming amino acid. The ribosome shifts to the next codon on the mRNA and a new aminoacyl tRNA is bound to the A site. The ribosome transfers the Met-tRNA to the P site and a new peptide bond is formed.Termination: During the last stage of translation, the ribosome reaches a stop codon, which signals the end of the protein-coding sequence. Release factors bind to the ribosome, causing it to release the mRNA and the polypeptide chain.
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