At which Loint is air pressure lowest?
The image shows a representation of mountains of
various heights, numbered 1, 2, and 3. The plain is
labeled number 4.
O 1
2
3
04
Answers
Answer:
0
Explanation:
the highest one because as altitude increases the atmospheric pressure decreases
Related Questions
Inside a skeletal muscle cell, a set of small cylinders called _______ are assembled into larger cylinders called _______.
Answers
Answer:
Myofibrils
Intercalated disc
Explanation:
Myofibrils in a skeletal muscle cell are a set of cylinders which are repeated form of sacromeres.
Intercalated discs are assembled into larger cylinders and are involved in cell to cell communications, they link cells to get her and transmit electrical impulses within the sacrolemma
When individuals migrate, alleles can be transfered from one population to another population. This commonly referred to as
Answers
Answer:
Gene flow.
Explanation:
When individuals migrate, alleles can be transferred from one population to another population which is known as gene flow. Gene flow is also called gene migration, the introduction of genetic material through interbreeding from one population of organisms to another which changes the composition of the gene pool of the migrated population of organisms. This gene flow creates a new species that is different from previous population of organisms
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Raghavan has two identical plants. He plants one outside in the ground. The other is growing indoors without direct light. Raghavan predicts the weight of the carbon dioxide and water taken in by the plant and the oxygen given off by the plant.
Raghavan notices that a rabbit family has been eating the outdoor plant and that small insects are eating the indoor plant. He sees a fox hunting rabbit, but nothing is eating the insects.
The diagrams show Raghavan’s plants. Raghavan predicted the weight of carbon dioxide and water taken in by the plant. He predicted the weight of oxygen given off by the plant. What should he predict for the weight of the sugar the plant made?
A. 1.80 gram
B. 3.46 gram
C. 3.72 gram
D. 5.64 gram
Answers
Answer:
be honest, the correct answer is 1.80 gram
Explanation:
2. Why are humans considered animals?
A. Their zygotes undergo changes to turn into a blastula.
B. Human cells have cell walls and are unable to move.
C. Humans can reproduce asexually when under stress,
D. Animals and humans are both uni-cellular organisms.
Answers
Answer:
It's A
Explanation:
Had it on a test
Humans are considered animals because as in animals zygotes after cell division turns into a blastula, hence option a is correct.
What are animals?More than any other species, humans are capable of learning new things. Indeed, the majority, but not fully, of what distinguishes us from other animals is anchored in language.
In addition, because we have a backbone, humans are considered to be members of the chordate animal phylum.
The zygote is split into the blastula after fertilization, three germ layers develop in the blastula, which in some species is a hollow ball of cells, during a process known as gastrulation.
Therefore, humans are classified as members of the primate order within the animal group and having the blastula stage, hence option a is correct.
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Help please!!!!!!!!!!!
Answers
Answer:
d
cause
Explanation:
How is an organic compound different from an inorganic compound?
Organic compounds contain carbon atoms bonded to other atoms.
Inorganic compounds contain oxygen atoms and hydrogen atoms.
Organic compounds come only from nonliving things.
Photosynthesis is responsible for organic compounds.
Answers
Answer:
The correct answer is
" organic compounds come only from nonliving things".
hope it helps you
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Organic compounds contain carbon atoms bonded to other atoms. The correct option is A.
What are organic compounds?Any of a wide area of chemical compounds in which one or many carbon atoms are covalently connected to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
Carbides, carbonates, and cyanides are among the few carbon-containing compounds that are not classified as organic.
The main distinction between organic and inorganic compounds is that organic compounds always contain carbon, whereas most inorganic compounds do not.
Furthermore, almost all organic compounds contain carbon-hydrogen or C-H bonds.
Organic foods are grown without the use of synthetic pesticides, fertilizers, or herbicides.
Organic meat, eggs, and dairy products are derived from animals that have been fed natural feed and have not been given hormones or antibiotics.
Thus, the correct option is A.
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Describe telephase (IN YOUR OWN WORDS)
-Thank you!
Answers
Answer:
Telophase is the last step of cell division, when chromosomes move in opposite directions so two new cells can be formed from one. When a cell is finishing the process of meiosis, it goes through a phase in which it's basically getting ready to split into two new cells telophase.
Explanation:
A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be
not enough skin exposure to the sun to make Vitamin D.
weak ligaments.
an increase in the absorption of calcium in the digestive system.
weak tendons.
Answers
Answer:
not enough skin exposure to the sun to make Vitamin D.
Explanation:
The correct answer would be not enough skin exposure to the sun to make Vitamin D.
The body makes vitamin D by being exposed to the sun and this vitamin and its metabolite are quite important in the homeostasis of calcium. Calcium on its own is very essential to the formation of bones in the body.
Hence, when the skin is not adequately exposed to the sun, the body becomes short of vitamin D and this disrupts the homeostasis of calcium and the formation of bones in the body. Thus, osteoporosis, also known as weak bones, may result.
Answer:
(A) not enough skin exposure to the sun to make Vitamin D.
Explanation:
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Pls help me pls this is due today
Answers
protein
Explanation:
beacause its ah. cd
An amoeba is a single-celled organism that feeds on algae, plant cells, and bacteria. When an amoeba feeds, it first makes contact with the food particle. Next, the amoeba starts to surround the particle. Once the particle is completely engulfed, it is surrounded by a layer of the amoeba's membrane, forming a vesicle. The pH in the vesicle is then lowered and the contents are degraded.
What type of transport is involved in this process?
A.
endocytosis
B.
diffusion
C.
passive transport
D.
exocytosis
Answers
Answer:
A. endocytosis
Explanation:
Endocytosis is the type of transport that is involved in this process because it engulf the food material. Amoeba engulfs food particles with the help of its pseudopodia which are the projections of cell membranes. A food vacuole is formed around the food particle. This process of engulfing a matter by the projections of the cell membrane to form a vacuole is called endocytosis.
What are substances needed for photosynthesis and what are substances are produced during photosynthesis
Answers
Answer:
light
Explanation:
Light is the bedrock of photosynthesis the light here is from the sun.
Chlorophyll
carbon dioxide
water
Now the substances produced during photosynthesis are; ATP( Energy),sugar,oxygen.
Answer: The substances needed are Light and carbon dyoxide
Explanation: The plants take in carbon dyoxide, and emit oxygen for animals and humans, and the plant take in light.
What is a gene? ……………….
Answers
Answer:
2nd one is correct
Explanation:
Answer: B
Explanation:
Importance of the water cycle
Answers
Answer:
because it ensure the availability of water for all livings, 95% of our world is covered with water but most of them are either forzen or under ground and also purifies water which can be ready for reuse.
The ______ regulates the amount of glucose circulating in the blood by either synthesizing glycogen or breaking down glycogen.
Answers
Answer:
Glucagon
Explanation:
It is a peptide hormone secreted by the pancreas, raises blood glucose levels
Glucagon stimulates glycolysis, the breakdown of glycogen and the export of glucose into the circulation
The image below shows one of the earliest stages of DNA replication. What
role does helicase play in DNA replication?
A. Helicase breaks the hydrogen bonds and unwinds a section of DNA.
B. Helicase connects the floating nucleotides to the template strands.
C. Helicase checks the base pairs in each new strand of DNA.
D. Helicase bonds together pieces of DNA as new strands form.
Answers
Answer:DNA helicases are also called molecular motors. They unwind the DNA with the help of ATP hydrolysis, and thus facilitate the replication and transcription processes. ... Studies have suggested that DNA helicases may play a role in plant DNA recombination, as it is prominent during the meiotic prophase of plants.
Explanation:
Role played by Helicase in DNA Replication is to break down the hydrogen bonds and unwinds a section of DNA.
What is DNA?
DNA, or deoxyribonucleic acid, is the hereditary material in humans located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
Mitochondria are structures within cells that convert the energy from food into a form that cells can use.
The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.
The order, or sequence, of these bases determines the information available for building and maintaining an organism, similar to the way in which letters of the alphabet appear in a certain order to form words and sentences.
What is DNA Replication?In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.
DNA replication occurs in all living organisms acting as the most essential part for biological inheritance and it is essential for cell division during growth and repair of damaged tissues, while it also ensures that each of the new cells receives its own copy of the DNA.
The cell possesses the distinctive property of division, which makes replication of DNA essential.
DNA is made up of a double helix of two complementary strands. The double helix describes the appearance of a double-stranded DNA which is composed of two linear strands running opposite to each other and twist together to form.
During replication, these strands are separated. Each strand of the original DNA molecule then serves as a template for the production of its counterpart, a process referred to as semiconservative replication.
As a result of semi-conservative replication, the new helix will be composed of an original DNA strand as well as a newly synthesized strand.
Cellular proofreading and error-checking mechanisms ensure near perfect fidelity for DNA replication.
What is the role of Helicases in DNA Replication?Helicases are enzymes that bind and remodel nucleic acid or nucleic acid protein complexes.
Helicases are of two types- DNA Helicases and RNA Helicases.
Role of Helicases:
- Separate the double stranded DNA into single one to allow copying.
- Initiate synthesis at the origin of unwinding
- Helicases use the energy stored in a molecule called ATP, which serves as the energy currency of cells, to break the bonds.
- DNA helicases also function in other cellular processes where double-stranded DNA must be separated, including DNA repair and transcription.
- RNA helicases are involved in shaping the form of RNA molecules, during all processes involving RNA, such as transcription, splicing, and translation.
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Jenny's grandmother holds the newspaper at arm' length when reading it. i. What is most likely the cause of this condition?
Answers
Answer:
her grandmother's arm is stronger than her armpit
Presbyopia usually becomes noticeable in your early to mid-40s and continues to worsen until around age 65. You may become aware of presbyopia when you start holding books and newspapers at arm's length to be able to read them.
Name the process by which sugar moves into cell A.
Name the process by which sugar moves into cell B.
Answers
Answer:
sugar moves into cell A by diffusion
sugar moves into cell B by Active transport
Name the process by which sugar moves into cell A - Diffusion
Name the process by which sugar moves into cell B - Active transport.
Glucose tends to move from an area of high concentration to an area of low concentration, a process called diffusion
the glucose transporter works with the concentration gradient, its process of moving glucose across the cell membrane is called facilitated diffusion.In order to move against the concentration gradient is due to cell require the transport method called active transportActive transport requires energy to move molecules against the gradient.Thus, Name the process by which sugar moves into cell A - Diffusion
Name the process by which sugar moves into cell B - Active transport.
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Select all the correct answers. Which two examples may be converted into fossil fuel after being buried under pressure for a long period of time?
Answers
Answer:
Coal and petroleum.
Explanation:
Coal and petroleum are the two examples that can be converted into fossil fuel after being buried under pressure for a long period of time. Both coal and petroleum formed underground with the presence of very high temperature and pressure. Coal is formed when the plant material is placed under high temperature and pressure for thousand of years while on the other hand, petroleum formed when dead bodies of animals are present underground for a very long time with a suitable pressure and temperature turn into petroleum.
which of the following structures helps our sense of balance
Answers
Answer:
D answer is correct
Explanation:
semi circular helps our sense of balance
Answer:
eardrum
Explanation:
The ear is a sensory organ that picks up sound waves, allowing us to hear. It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule
The branch of life sciences which involves the structure and function of the brain and nervous system, including neurons, nerves, and nervous tissue is called
Answers
Answer:
Neuroscience.
Explanation:
Neuroscience is the branch of life sciences which involves the scientific study of structure and function of the brain and nervous system, including neurons, nerves, and nervous tissue. People who study neurosciences is known as neuroscientist. Neuroscientists focus on the human's brain and its impact on the behavior and cognitive functions. Not only is neuroscience concerned with the normal functioning of the nervous system but also concern with neurological, psychiatric and neurodevelopmental disorders.
The diagram below shows a portion of the water cycle. The diagram shows the text 'Surface water' in a rectangular box, below it the text 'Groundwater' is in another rectangular box. In between the two boxes the text 'Infiltration' is beside an arrow point down, and the letter 'Y' is beside an arrow pointing up. What does Y most likely represent? well river ocean springs
Answers
Answer:
y most likely represents springs
Answer: Y represents springs
Explanation: This was on my test
Which organism exhibits behavioral adaptation?
an owl with large pupils and eyes that enable it to see better at night
a possum playing dead to increase its chances of survival
an insect that mimics its environment to hide from its predators
a desert plant that sheds its leaves to lessen water loss during the dry season
Answers
Answer:
B
Explanation:
edge2021
A possum playing dead to increase its chances of survival is an example of behavioral adaptation.
What is Behavioral adaptation?
This is an action an organisms does to increase survival rate when faced with some situations.
A good example is the possum which acts dead when faced with predators so as not to be killed which is why option B was chosen.
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________, a mammalian hormone that also acts as a neurotransmitter in the brain, is released during breast feeding and by contact and warmth.
Answers
Answer:
"Oxytocin " is the right answer.
Explanation:
The hormone which is utilized to treat the condition as well as enhance uterine movements or contract or reduce post-birth hemorrhage is determined as Oxytocin.Is therefore considered to have become a driving factor promoting attractiveness and governs all but the most important parts of the reproductive tract as well as birthing.(06.01 MC)
When Linnaeus began classifying organisms in the 1700s, he categorized them as plant, animal, or mineral. These kingdoms were later revised to exclude minerals and expanded to include animals, plants, fungi, protists, and bacteria. Which of the following best explains a reason for this change? (2 points)
Group of answer choices
As new organisms were discovered, new kingdoms were created to sort them based on ability to interbreed.
It was discovered that the organisms in each of the five kingdoms have a different method of obtaining nutrients and are therefore fundamentally different.
Technological advances led to the discovery of single-celled organisms and increased our understanding of relationships between organisms.
Genetic research led to the discovery that each of these five kingdoms has a unique evolutionary ancestor.
Answers
7598023521998929939
Empty stomachs contract, causing both hunger pangs and the secretion of chemical messages that travel to the brain to serve as a signal to initiate feeding behavior. This is an example of ________. Group of answer choices
Answers
Answer:
How physiological mechanisms serve as the basis for hunger
Explanation:
Physiological mechanisms are able to provide explanations to body functions, events and outcomes. Such mechanisms could be altered voluntarily when there's the need to. Hunger is on example of such. When a person is hungry the muscles of the stomach contracts and messages are sent to the brain. This process is what tells the person thaat he needs to feed.
There are 3 basic structural types of joints: fibrous, cartilaginous, and synovial. If a joint does NOT move, you can assume that it's either ___ or ___. (Choose 2).
Answers
Answer:
The correct answer is - fibrous, cartilaginous.
Explanation:
In the body, there are joints named after the type of tissue attached to them and these joints are:
1. fibrous joints - these are connected with dense connected tissues and called immovable or fixed joints.
2.cartilaginous joints - these are joined by cartilage tissue. These joints are also not able to move freely.
3. synovial joints are known as movable joints and can move freely. These are present in a fluid-filled capsule for better movement.
Because the cells of skeletal muscle are relatively large and cylindrical in shape, they are also known as
Answers
Answer:
fibers or tubules.
Explanation:
Energy from the sun is called _______ energy.
Answers
Answer:
Energy from the sun is called Solar Energy
Answer:
sunlight energy
Explanation:
also known as solar energy
The water vascular system of echinoderms The water vascular system of echinoderms functions in locomotion and feeding. functions as a circulatory system that distributes nutrients to body cells. moves water through the animal's body during filter feeding. is bilateral in organization, even though the adult animal is not bilaterally symmetrical.
Answers
Answer:
The water vascular system of echinoderms functions in locomotion and feeding.
Explanation:
The water vascular system of echinoderms is responsible for the functions in locomotion and feeding. The water vascular system is a hydraulic system that is used by echinoderms for example sea stars and sea urchins, for the purpose of locomotion (movement), food and waste transportation, and respiration. This system is composed of canals connecting numerous tube feet.
Why can't cellular respiration occur without photosynthesis? (2 points)
Photosynthesis produces carbon dioxide, which is used in cellular respiration.
Cellular respiration requires carbon dioxide, which is produced by photosynthesis
Photosynthesis produces ADP, which is used in cellular respiration.
Cellular respiration requires glucose, which is produced by photosynthesis.
Answers
Answer:
d
Explanation:
