No, the rate of photosynthesis is not impacted by the air's oxygen content.
The following factors have an impact on the rate of photosynthesis:
The availability of sunshine, temperature, carbon dioxide content, and water are all considered to be external factors.
The internal/plant factors include the quantity and concentration of chlorophyll as well as the size, age, and orientation of the leaves, mesophyll cells, and chloroplasts.
Blackman presented the Law of Limiting Factors in the year 1905. According to this, the factor that is closest to a chemical process' minimal value determines its rate when multiple factors are at play.
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if you have a choice of what you are going to hit in a crash, hit the object ___________
if you have a choice of what you are going to hit in a crash, hit the object the least force.
What is force ?
Force is either pushing or pulling of any object resulting from the object’s interaction or movement, without force the objects can not be moved, can be stopped or change the direction.
It is a quantitative interaction between two physical bodies, means an object and its environment, there are different types of forces in nature.
If an object in its moving state will be either static or motion, the position of the object will only be changed if it is pushed or pulled and The external push or pull upon the object called as Force.
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photorespiration occurs mainly in
Answer:
C3 plants
Explanation:
Photorespiration occurs mainly in C3 plants.
What do you mean by photorespiration?When the enzyme RuBisCO oxygenates RuBP, a process known as photorespiration occurs in which some of the energy from photosynthesis is lost.
The evolution of CO2 during photosynthesis is known as photorespiration. It results from the fact that rubisco can function as either an oxygenase or a carboxylase (incorporating CO2) (incorporating O2). Rubisco functions primarily as a carboxylase when there are relatively high CO2 levels present.
The plant uses oxygen and ATP, releases carbon dioxide, and reduces photosynthetic production during photorespiration, a metabolic process.
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art-labeling activity: sagittal section of internal structures of the eye
The sagittal section of internal structures of the eye consist of the transparent body behind the Iris known as Eye lens.
What is Iris?The Iris is the colored part in the front of your eye.
Iris consist of pupil.Iris facilitates the contraction of pupil which helps in controlling the amount of light entering the Eye .It protects our eyes from microorganisms.Because of Iris color detection is possible. Eye lens:It is a biconvex structure in our eyes.It is present with cornea it helps in the refraction of light to the retina.Sometimes these lenses get defected then artificial contact lenses are used to correct the defect.To know more about Iris visit
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The translucent body behind the iris known as the eye lens is included in the sagittal region of the eye's internal architecture.
Describe Iris.
The colored area in front of your eye is called the iris.Iris is made up of pupils.The iris makes it easier for the pupil to constrict, which aids in regulating how much light enters the eye.It shields our eyes from microbes.Color detection is achievable thanks to the iris.Eye lens
In our opinion, it is a biconvex structure.It aids in the refraction of light for the retina when it is present with the cornea.Artificial contact lenses are used to fix these lenses' defects when they occur.To learn more about Iris
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art-labeling activity main nerves of the brachial plexus
The art-labeling activity main nerves of the brachial plexus is given in the image attached.
How many nerves does the brachial plexus have?There are five main nerve branches that branch off from the brachial plexus and travel down the arm: cutaneous nerve of the muscles: flexes muscles in the upper arm at the shoulder and elbow and originates from nerve roots C5 to C7.
The radial, musculocutaneous, median, ulnar, and axillary nerves are the brachial plexus' five terminal branches.
Note that the network of nerves called the brachial plexus is what carries signals from the spinal cord to the shoulder, arm, and hand. A brachial plexus injury happens when these nerves are compressed, stretched, or in the most severe scenarios, torn apart or severed from the spinal cord.
Therefore, one can say that for the motor and sensory innervation of the upper extremities, including the shoulder, arm, and hand, the brachial plexus is said to be a significant network of nerves that transmits signals.
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People infected with chlamydia are often symptom-free, which increases the chance of their infecting other people. True False
True
Even in the absence of symptoms, chlamydia may create serious problems.
There is evidence that chlamydia raises the risk of contracting other STIs, including HIV and gonorrhea.
It's important for women to be tested for chlamydia because it may cause pelvic inflammatory disease, which can spread to the uterus, fallopian tubes, and ovaries (PID). Lower abdomen discomfort, heavier and more painful menstrual cycles, fever, and vomiting are all potential symptoms of PID. Scar tissue forms in PID, which can lead to either a complete blockage of the fallopian tubes and subsequent infertility or a partial blockage and subsequent tubal (ectopic) pregnancy.
Epididymitis, an infection of the testicles, may result from untreated chlamydia in men.
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many people believe that taking zinc lozenges reduces the severity and duration of the common cold. sebastien decides to conduct a study at his school to explore this claim. he sends a survey to a simple random sample of 100 students, asking them to if they took zinc lozenges or not during their last cold, and how long they experienced cold symptoms. he found that students who took zinc had a mean cold duration that was 1.2 days lower than those who did not take zinc. which of the following statements about his study is true?
Sebastien's study is subject to confounding.
What are zinc lozenges?
A well-liked remedy for the common cold is zinc. According to some studies, zinc lozenges may shorten colds' duration by one or two days and may lessen the incidence of upper respiratory infections. Zinc aids in wound healing and infection prevention. Treatment of the common cold with zinc gluconate lozenges, using adequate doses of elemental zinc, may be effective in reducing the duration and severity of cold symptoms. If the lozenges are started as soon as symptoms appear, the benefit seems to be at its greatest. The formulation of the lozenges also appears to be important because the addition of citric acid or tartaric acid may reduce efficacy due to the chelation of zinc ions.
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electrons excited in photosystem ii help the chloroplast produce
As excited electrons move through the electron transport chain, NADPH is created.
The photosystem II's source of the excited electrons is what?A chlorophyll molecule's excited electron is moved to the an electron acceptor at the reaction center.It's an oxidation-reduction reaction right now.An electron from water is used in photosystem II to replace the electron lost from the reaction center.
What is produced during photosynthesis by photosystem 2?In oxygenic photosynthetic organisms, photosystem II is the first membrane protein complex.It uses light energy to catalyze the oxidation of water, which results in the production of atmospheric oxygen.
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Which is not true about all
of these elements?
Answer:
A. They are all in the same group B. They all have the same number of valence electrons C. They all have the same number of protons D. They all share similar properties
Explanation:
stimulation of uterine muscle contractions during childbirth is triggered by . group of answer choices
Stimulation of uterine muscle contractions during childbirth is triggered by oxytocin.
Oxytocin is a natural hormone that stimulates uterine contractions during childbirth and lactation after birth. It also affects human behavior and the male and female reproductive system.
Uterine contractions are muscular contractions of uterine smooth muscle that occur during the menstrual cycle and labor. Uterine contractions arise all through the menstrual cycle withinside the non-pregnant kingdom and all through pregnancy.
Labor causes discomfort and dull pain in the back and lower abdomen along with pressure in the pelvis. Some women also experience pain in the sides and thighs. Some women describe labor as strong menstrual cramps, while others describe it as strong waves like spasms of diarrhea.
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fossilized tree sap, also known as blank, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.fossilized tree sap, also known as blank, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.
fossilized tree sap, also known as amber, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.
Amber is a fossilized tree sap that has been prized since Neolithic times for its color and natural beauty. Amber has long been valued as a gemstone, and it is now used to create a variety of decorative objects. Tree resin is a fluid (Sap) produced by plants (most commonly trees), but it is not the same as sap. Sap is a watery, sweet substance, whereas resin is thicker and stickier. Frankincense, Myrrh, Benzoin, and Copal are examples of well-known resins.
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is there a difference between motor commands going to skeletal muscles amd motor commands going to visceral organs? locate the spinal cord where the two different types of motor commands originat from
The skeletal muscle is the sole voluntary muscle in the human body. Every voluntary physical motion, including speaking or running, requires skeletal muscle. Visceral muscle is found inside blood arteries, the stomach, as well as other vital organs.
What carries signals from the spinal cord that control movement?
The spinal cord serves as a conduit for communications between both the body and the CNS. The head and neck are directly connected to the brain through the cranial nerves, but the spine receives sensory information and transmits motor instructions to the body via the spinal nerves.
The primary motor cortex is found in the precentral gyrus of the frontal lobe. This area is where the majority of the brain impulses that eventually cause the execution of voluntary actions are generated.
Therefore, The spinal cord serves as a conduit between the body and the CNS.
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in a study of the forces involved when motor proteins
Motor proteins also produce force locally within the network of cytoskeletal polymers, which transmits these forces to determine the shape of each cell and, ultimately, the architecture of tissues and whole organisms. Chapters 37 to 39 and 44 illustrate how motors move cells and their parts.
unlike b lymphocytes, t lymphocytes do not generate a secreted form of their antigen receptors
Self-reactive antigen receptors may be produced by the random process that produces lymphocyte antigen receptors.Several of these possibly self-reactive lymphocytes are removed during lymphocyte development,
Why does the antigen receptor exist?It serves as a receptor that identifies and binds antigen through the exposed V regions on the cell's surface, sending a signal that activates B cells, triggering clonal growth and the production of specific antibodies.
Describe the three antigen receptors?A co-receptor complex made up of at least three cell-surface molecules—CD19, CD21, and CD81—modifies the signaling of B-cell antigen receptors.
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An ASC would neverperform which of the following services?
Question 147 options:
A) Knee arthroscopy
B) Intraocular lens exchange
C) Hemorrhoid excision
D) Kidney-pancreas transplant
Question 148 (0.666666667 points)
This one-year-old boy has a midshaft hypospadias with a very mild degree of chordee. He also has a persistent right hydrocele. The surgeon brought the boy to surgery to perform a right hydrocele repair and one-stage repair of hypospadias with preputial onlay flap.
Question 148 options:
A) 54324, 55060, Q54.1, N43.3, Q54.4
B) 54322, 55040, Q54.1, N43.3, Q54.4
C) 54324, 55060-51, Q54.1, N43.3
D) 54322, 55041-51, Q54.1, N43.3
The answers include the following:
An ASC would never perform a Kidney-pancreas transplant and is denoted as option D.The code for the conditions such as one-stage repair of hypospadias is 54322, 55041-51, Q54.1, N43.3 ba dis denoted as option D.What is Medical coding?This is referred to as the process in which medical diagnosis and treatments are translated into numeric and alphanumeric characters in other to prevent ambiguity during documentation.
ASC is referred to as ambulatory surgery center and perform surgeries such as knee arthroscopy, intraocular lens exchange etc but are unable to perform transplants hence option D was chosen.
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Place the following events of a reflex arc in the correct order 1) motor neuron activation 2) sensory neuron activation 31 sensory receptor activation 4) information processing 5) effector response
a. 4.3.1.2.5 b. 1.5.3.2.4 c. 3.2, 1.5,4 d. 2,3,4,5, 1
e. 3.2, 4.1.5
The event of a reflex arc in correct order 3,2,4,1,5
( sensory receptor activation, sensory neuron activation, Information processing, motor neuron activation and effector response)
The neural pathway that is followed by a reflex response is called the reflex arc. The reflex arc is demonstrated by what occurs when we unintentionally contact something hot. The receptor is the first to notice a change in temperature. The relay neuron, which is located in the spinal cord, is then delivered electrical impulses. Motor neurons are linked to sensory neurons by these latter. The motor neuron transmits electrical impulses to an effector. The effector produces a reaction.
Hence, the neural system that triggers a reflex action is known as the reflex arc.
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arginase, a key enzyme in liver urea production, requires four ____ atoms per molecule. group of answer choices iron copper zinc manganese
Ceruloplasmin is one illustration; it has eight copper atoms per molecule. Copper and zinc provide as examples of the needs for and toxicity of important trace elements.
What trace mineral is necessary for gluconeogenesis' primary enzyme to be activated?Manganese is a trace mineral that functions as a cofactor for enzymes that produce urea, cholesterol, and glucose (gluconeogenesis) (amino-acid catabolism in the liver).
Which Micromineral is deemed crucial for healthy brain function?The liver, kidney, pancreas, and bones are where manganese is primarily deposited. and contributes to the regulation of blood sugar, calcium absorption, and fat and carbohydrate metabolism. For healthy nerve and brain function, manganese is also essential.
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what feature of fats makes them hydrophobic
Answer:
long hydrocarbon chain
Explanation:
hope it helps!;)
пока!
Answer: carbon chain and nonpolar covalent bonds
Explanation:
Which of the following is an example of a population? a. all individuals of the same species in an area b. all the species that can interact in an ecosystem c. a community and its interaction with the physical environment d. the part of Earth that supports life
Answer:
A. All individuals of the same species in an area
which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event? select all that apply. which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event?select all that apply. garnet eyes miniature wings, garnet eyes miniature wings wild type
The offspring with two different phenotype classes that are formed by crossing over are wild type miniature wings , garnet eyes.
What do you mean by Phenotype?
The term "phenotype" describes a person's distinguishable characteristics, such as height, eye colour, and blood type. Both a person's genetic make-up (genotype) and environmental circumstances affect their phenotype.What does the term "genotype" and "phenotype" mean? EXPLAIN BRIEFLY.
A person's genotype is made up of all the alleles they have for a certain gene. The sum of a person's attributes or observable features is their phenotype. The phenotype of an organism is only impacted by its genotype, which is directly inherited from its parents.To know more about phenotype, checkout this link:
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A trait that is found in and shared by two or more species, but is not derived from a common ancestor is known as?.
Homoplasy in biological systematics is when a trait has been gained or lost independently in separate lineages during evolution.
What is Homoplasy?
A shared trait between two or more animals that did not develop from a common ancestor is known as homoplasy. The opposite of a homology, in which two or more creatures share a common origin and the genes that gave rise to the trait, is a homoplasy. When two very distinct animal groups evolve to do the same activity, it is known as homoplasy. This is referred to as convergence or convergent evolution. An analogous characteristic is another name for a homoplasy trait. Examining some examples is the most effective technique to grasp what constitutes and does not constitute a homoplasy.
The characteristic of wings makes homoplasy the simplest to comprehend. Although wings have developed in many different forms and materials throughout the animal kingdom, flight remains their primary purpose. Wings have evolved in a variety of insects, birds, and bats. Every time, the feature developed apart from the other groups. Without a doubt, the closest living relative of birds, bats, and insects lacked wings. All lineages developed flight as a result of a comparable pressure that resulted from the lineages' diverging, or moving in different directions.
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Plants use the green pigment chlorophyll to a. absorb sunlight. b. store sunlight. c. reflect sunlight. d. change light to heat.
Answer: A
Explanation:
what feature of fats makes them hydrophobic
PLSSS HELP IF YOU TURLY KNOW THISS
sexual reproduction in humans .group of answer choicesallows a haploid sperm cell to fertilize a haploid egg cellproduces a haploid individualproduces an individual with 23 chromosomescombines two diploid gametes, producing a zygote
Sexual reproduction in humans is A. allows a haploid sperm cell to fertilize a haploid egg.
The human reproductive system occurs through the fertilization process, namely the meeting of male gametes and female gametes. The fertilization process will produce a zygote, the zygote then undergoes embryonic development until it is born as a child.
The fertilization process begins with the maturation of the egg and spermatozoa. During ovulation, the spermatozoa penetrate the corona radiata until the sperm attaches to the zona pellucida. When the spermatozoa successfully penetrate the zona pellucida, oocyte fusion will occur. Haploid sperm cell to fertilize the haploid egg. The union of the ovum and spermatozoa triggers the start of mitotic division which will produce up to 32 cells called morula which will develop into a blastocyst.
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which of the following is most closely related to a lizard? group of answer choices salamander bird lamprey chimaera
The choice of animal most closely related to lizards is the salamander.
Explanation of lizards and salamandersSalamanders and lizard are tetrapods. Both are cold blooded vertebrate animals. Both salamanders and lizards are similar in appearance. But, Salamanders and lizards are ectotherms or cold-blooded animals which means they cannot generate their own body heat like mammals. To control their body temperature, salamanders and lizards get heat from their surroundings.
Salamanders are amphibians with moist skin without scales. Lizards are reptiles with rough, scaly skin. Salamanders live in humid environments while lizards are adapted to live in terrestrial environments. The main difference between salamanders and lizards is the phylogenetic adaptation of the two types of animals.
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the male gametophyte in seed plants is called a
The male gametophyte of seed plants is called pollen.
What is the name of the male seed plant gametophyte? When is it distributed?Gymnosperms (as well as flowering plants) produce pollen to serve as a carrier for the dispersal of sperm. Pollen is carried by wind currents by gymnosperms. Male gametophytes are the grains of pollen. They use insects or the wind to move the sperm cells within the pollen grain; no liquid water is required.
The female megagametophyte, or embryo sac, is another name for this organism. The male gametophyte, also referred to as the pollen grain or the microgametophyte, grows inside the anther and is made up of two sperm cells enclosed in a vegetative cell.
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Drag each label into the appropriate position to identify whether the statement depicts something true or false about the specimen pictured below: - contains connective tissues- visible directional orientation of collagen fibers- found in areas where bones are joined via cartilage- same tissue category as blood- a larger portion of extracellular matrix to cells- functions to resist shock; - seen in tendons
- contains dense irregular connective tissue
- contains a perichondrium
- chondrocytes in clusters of 3-4 arranged in clumps
TRUE Statement
- contains connective tissues
- visible directional orientation of collagen fibers
- found in areas where bones are joined via cartilage
- same tissue category as blood
- a larger portion of extracellular matrix to cells
- functions to resist shock
FALSE Statement
- seen in tendons
- contains dense irregular connective tissue
- contains a perichondrium
- chondrocytes in clusters of 3-4 arranged in clumps
What is perichondrium?
The cartilage of growing bones is surrounded by a layer of dense, wavy connective tissue called the perichondrium. It is made up of an inner chondrogenic layer and an exterior fibrous layer. Fibroblasts in the fibrous layer create collagenous fibers. The chondrogenic layer can produce chondroblasts and is yet undifferentiated. Both hyaline cartilage and elastic cartilage have perichondrium at their edges.
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classify each mutation example as definitely positive, definitely negative, or most likely neutral. each category has two examples. you are currently in a sorting module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. beneficial mutations neutral mutations harmful mutations answer bank
A beneficial mutation is one that has a good effect on an organism. These mutations are uncommon yet important. The benefit that a beneficial mutation provides the organism is passed down from generation to generation, increasing the chances of survival for the offspring.
Neutral mutations:
Neutral mutations are changes in DNA sequence that are neither beneficial nor harmful to an organism's ability to survive and reproduce. In population genetics, neutral mutations are mutations in which natural selection has no effect on the spread of the mutation in a species.
Harmful mutations: Mutations that are harmful can result in genetic diseases or cancer. A genetic condition is an illness that results from a mutation in one or more genes. Cystic fibrosis is a human example. A single gene mutation causes the body to produce thick, sticky mucus, which clogs the lungs and blocks ducts in digestive organs.
What is mutation?
A mutation is a change in an organism's DNA sequence. Mutations can occur as a result of errors in DNA replication during cell division, mutagen exposure, or viral infection.
What causes mutation?
Mutations can occur as a result of mistakes in DNA replication during cell division, mutagen exposure, or viral infection. Germline mutations (those that occur in eggs and sperm) can be handed on to offspring, but somatic mutations (those that originate in body cells) cannot.
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Full Question: Classify each mutation example as definitely positive, definitely negative, or most likely neutral. Each category has two examples.
Correctly label the following anatomical features of a neuron. Axon Axon terminals Myelin sheath Soma Internode Nucleus Node of Ranvier Dendrites Nucleolus
A neuron is a specialized cell, found in the brain, spinal cord and the peripheral nerves known as the nerve cell. The structure of a neuron varies with their shape and size and it mainly depends upon their functions
what is the structure of neuron ?Dendrites which is A branch-like structure that functions by receiving messages from other neurons and allow the transmission
Cell Body has a cell body with a nucleus, Golgi apparatus, endoplasmic reticulum, mitochondria and other components.
Axon is a tube-like structure that functions by carrying an electrical impulse from the cell body to the axon terminals
Synapse functions by permitting the entry of a neuron to move an electrical or chemical signal from one neuron to another neuron.
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which choice below is the correct phylogenetic order from largest, most inclusive group to smallest, most exclusive group? group of answer choices ecdysozoa > arthropoda > protostomia > insects protostomia > ecdysozoa > arthopoda > insects ecdysozoa > protostomia > arthopoda > insects arthropoda > protostomia > insects > ecdysozoa
Phylogenetic order from the largest most inclusive group to the smallest and most exclusive group: Protostomes > Ecdysozoa > Arthropods > Insects.
Phylogeny is a classification description that shows the kinship relationship of a species with its ancestors and the evolutionary relationship between organisms.
Protostomes are divided into two groups:
Lophotrochozoa - these include segmented worms, mollusks, lophophores and several more obscure phyla.Ecdysozoa include arthropods and several other phyla that occasionally molt.Arthropods are triploblastic protostomes. They also have a nervous system with a dorsal "brain", an oropharyngeal nerve, and a pair of ventral nerves. Like annelids, their bodies are segmented both internally and externally. This is taken as evidence that annelids and arthropods are closely related. We now believe that segmentation is a convergent property.
Insects are the most successful group of organisms on the planet. Every third species of organism is an insect. During its development, the insect acquires several features that contribute to its success. The earliest insects lacked wings: The evolution of insect wings was a milestone - the first creatures to soar into the sky ruled the skies for 100 million years.
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