Answer:
The esophagus and large intestine. If this is for humans
Explanation:
which organism is both a primary consumer and a secondary consumer in this web
Answer:
Omnivores
Explanation:
Omnivores, which feed on both plants and animals, can be considered as being both primary and secondary consumers.
Answer:
An organism cannot serve as both a main consumer and a secondary consumer at the same time in an ecological food web.
Explanation:
A primary consumer, usually referred to as a herbivore, consumes other producers such as plants directly. In a food chain or web, they are located on the second trophic level.
While a secondary consumer feeds on primary consumers. In a food chain or web, they are located on the third trophic level.
Each creature normally resides in a certain trophic level, which indicates its place in the movement of nutrients and energy through the ecosystem. An organism cannot occupy the primary consumer and secondary consumer levels at the same time, even if it can travel up or down the food chain/web by consuming other creatures
So, no organism can serve as both primary consumer and secondary consumer.
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Which of the following orders of pubertal events is most typical for girls?
a. height spurt, b. menarche, c. axillary hair growth
The most typical order of pubertal events for girls is: a) axillary hair growth, b) height spurt, and c) menarche.
During puberty, girls experience various physical changes as their bodies mature. The typical sequence of pubertal events for girls begins with the growth of axillary hair, followed by a height spurt, and culminates in menarche, which is the onset of the first menstrual period.
Axillary hair growth is often one of the first signs of puberty in girls. It occurs as a result of increased production of androgens, which are hormones responsible for secondary sexual characteristics. The growth of axillary hair is usually followed by the height spurt, where girls experience a rapid increase in their overall height. This growth spurt is triggered by the release of growth hormones and typically occurs around the age of 9 to 14.
Lastly, menarche, the first menstrual period, marks the final stage of puberty for girls. It usually occurs after the height spurt, around the age of 10 to 16. Menarche is a significant milestone that indicates the onset of reproductive capability.
It is important to note that while this sequence is considered typical, there can be individual variations. Some girls may experience these pubertal events in a slightly different order or at different ages. Factors such as genetics, nutrition, and overall health can influence the timing and progression of puberty.
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reactions build smaller molecules
to larger molecules, while ____ reactions
break down larger molecules into smaller
molecules.
Answer:
Catabolic Reactions
Explanation:
they breakdown ATP
NEED HELP QUICK
what differentiates passive transport from active
(Answer choices in picture)
Answer:
I would say ATP is needed for active transport to occur
Honeybees provide one of the most important ecosystem services: pollination - and they do this for free! We are experiencing huge losses in pollinator populations throughout the United States and the
Colony Collapse Disorder (CCD) is a phenomenon characterized by the sudden disappearance of worker bees from beehives, leaving the queen and a few immature bees behind.
The causes of the collapseThe causes of CCD are not fully understood, but prevailing hypotheses include pesticide exposure, parasites and diseases, poor nutrition, and various stress factors. These factors likely interact and contribute to the decline of honeybee populations.
Understanding CCD is crucial for implementing effective strategies to mitigate its impact, including promoting sustainable agricultural practices, reducing pesticide use, improving beekeeping management, and enhancing habitat and forage availability.
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Honeybees provide one of the most important ecosystem services: pollination - and they do this for free! We are experiencing huge losses in pollinator populations throughout the United States and the rest of the world. The decline is so great that many farmers now must import European honeybees to pollinate crops. In 2006, an emerging issue called Colony Collapse Disorder (CCD) caused massive declines in beehives. These declines are still a problem today. Respond to the following prompts in your initial post this week: 1. What is Colony Collapse Disorder and what are the prevailing hypotheses for what causes CCD?
which part of the pancreas generally has the largest dimension
The body of the pancreas generally has the largest dimension compared to the head and tail regions.
The pancreas is a long, tapered organ located in the abdomen, and its body lies between the head and the tail. The body of the pancreas is typically the thickest and widest part of the organ.The pancreas is an elongated gland located in the abdomen, behind the stomach. It is divided into three main regions: the head, body, and tail.The head of the pancreas is positioned on the right side of the abdomen and is the widest part of the organ. It is nestled within the curve of the duodenum, the first part of the small intestine.The body of the pancreas lies behind the stomach and is located between the head and the tail. It is typically thinner and narrower compared to the head.The tail of the pancreas is the leftmost portion and tapers towards the spleen. It is the thinnest part of the pancreas.While the head of the pancreas is generally larger in size, it is important to note that the dimensions can vary among individuals.
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The pancreas is a glandular organ located in the abdomen. It is divided into three main parts: the head, body, and tail.
The head of the pancreas is the part that is closest to the duodenum, which is the first part of the small intestine. It is also the part that is generally the largest in dimension. The body of the pancreas is located in the middle of the organ, while the tail is the narrowest part that extends towards the spleen. The size of the pancreas can vary from person to person, but in general, the head is the largest part of the pancreas.
The pancreas is a vital organ in the human body, involved in both digestive and hormonal functions. It consists of three main parts: the head, the body, and the tail. The head of the pancreas, located near the duodenum, generally has the largest dimension compared to the other parts. This is important because it houses many key pancreatic ducts and cells, facilitating the secretion of digestive enzymes and hormones such as insulin and glucagon, which play essential roles in regulating blood sugar levels and overall metabolism.
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scientists advise people to only eat albacore tuna and other large oceanic fish once a week because of their high mercury levels. why do these animals have such high mercury levels in their tissues? large oceanic fish naturally produce high levels of mercury in their tissues. large oceanic fish efficiently absorb the low concentrations of mercury present in ocean water. large oceanic fish acquire and accumulate the mercury contained in the tissues of their prey. large oceanic fish are exposed to high levels of mercury in ocean water.
Large oceanic fish acquire and accumulate the mercury contained in the tissues of their prey, which is why they have high mercury levels in their tissues.
Mercury is a toxic heavy metal that is naturally present in the environment, including in oceans and other bodies of water. When small organisms in the water absorb mercury from their surroundings, it becomes concentrated in their tissues. As larger fish consume these smaller organisms, they in turn accumulate the mercury in their own tissues. This process is called biomagnification, which means that mercury levels become increasingly concentrated as it moves up the food chain.Albacore tuna and other large oceanic fish are at the top of the food chain and are therefore exposed to high levels of mercury through their diet. Over time, this leads to the accumulation of high levels of mercury in their tissues. As a result, consumption of these fish can lead to mercury toxicity in humans, particularly in pregnant women and young children who are more sensitive to the effects of mercury. Therefore, to minimize the risk of mercury exposure and toxicity, scientists recommend limiting consumption of these fish to once a week or less.
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5. Some undiluted acids are more corrosive when diluted
with water. That is why lab workers are told to wipe off
splashes with a towel before washing. Explain.
Answer:
The correct answer is : due to the hydrogen ions reacts and release high amount of energy with the strong acid.
Explanation:
Diluted acids are more corrosive then undiluted due to the presence of more H+ ions than the undiluted acids. The More the H+ ions are added the more corrosive the acid is.
When water is mixed with strong acid the hydrogen ions reacts with acid ions and a exothermic reaction takes place that release high amount of energy which boils violently, to avoid any accident it is advised to lab workers to wipe if any splash self before washing.
Thus, the correct answer is : due to the hydrogen ions reacts and release high amount of energy with the strong acid.
during muscle contractions, myosin motor proteins move across tracks of
Answer: During muscle contractions, myosin motor proteins move across tracks of actin filaments.
Review the water cycle diagram below. What effect would removing the precipitation stage have on this environment?
(Image below)
A) There would be little snow and ice accumulation on the mountains.
B) There would be more evapotranspiration in the atmosphere.
C) There would be less water in the nearby oceans or bodies of water.
D) There would be increased surface runoff and groundwater discharge.
Answer: c
Explanation:
A group of signs and symptoms attributed to the excessive production of cortisol by the adrenal cortex is:
Answer:
Too much cortisol can cause some of the hallmark signs of Cushing syndrome
Assuming the oligopeptide ALFAHELICKS forms one continuous α-helix, the glutamate residue is hydrogen bonded to ... (select all that apply)
a.leucine.
b.cysteine.
c.serine.
d.lysine
e.isoleucine.
To determine which residues can form hydrogen bonds with the glutamate residue in the oligopeptide ALFAHELICKS, we need to consider the properties of the amino acids involved. The correct option si b. cysteine and c. serine.
Glutamate has a negatively charged side chain, while hydrogen bonding typically occurs between a hydrogen atom and a negatively charged atom or a hydrogen bond donor and acceptor pair.
a. Leucine: Leucine does not have a hydrogen bond donor or acceptor in its side chain, so it is unlikely to form a hydrogen bond with glutamate.b. Cysteine: Cysteine has a thiol group (-SH) in its side chain, which can act as a hydrogen bond acceptor. It could potentially form a hydrogen bond with the negatively charged glutamate residue.c. Serine: Serine has a hydroxyl group (-OH) in its side chain, which can act as a hydrogen bond donor and acceptor. It is capable of forming a hydrogen bond with the negatively charged glutamate residue.d. Lysine: Lysine has a positively charged amino group (-NH3+) in its side chain, which can act as a hydrogen bond acceptor. It is less likely to form a hydrogen bond with glutamate, which is also negatively charged.e. Isoleucine: Isoleucine does not have a hydrogen bond donor or acceptor in its side chain, so it is unlikely to form a hydrogen bond with glutamate.Based on the analysis, the residues that can potentially form hydrogen bonds with glutamate are b. cysteine and c. serine.
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The exchange rate is €1 =
R14,19.
1.1 Round off the exchange rate to the nearest R5
€1 would be almost equal to R15 if the conversion rate of R14.19 to R was rounded off to the nearest R5.In order to round R14.19, we look at its decimal value, which is 0.19. We round down to the nearest whole integer because this value is less than half of R5, which is 2.50. As a result, we reduce R14.19 to R14.
The value of R19 is then obtained by adding R5 to the rounded value of R14. Therefore, €1 is roughly equivalent to R19 at the rounded currency rate of €1 to the closest R5.Please be aware that rounding the exchange rate in this way only approximates the rate, and that the real exchange rate may change depending on the state of the market and the movement of the currency. Always seek the advice of a reputable
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A kayaker travels a distance 4,550 meters with a speed of 3.5 m/s. How much time does it take him?
21 seconds
21 seconds
2000 seconds
2000 seconds
1300 seconds
1300 seconds
1000 seconds
Answer:
1300
Explanation:
(4550m)/(3.5m/s)=1300sec
the meters cancel out leaving you with a unit of seconds.
A Caucasian female is found un-clothed in a public park. Lividity is present on the ventral (front) side of her body.
but lividity is absent around her chest area, upper thighs and some regions of her legs and feet.
Illustrate this situation in the picture below:
What can you conclude about this situation?
How long (approximately) has the victim been dead?
Answer:
A
Explanation:
THE HUMAN body is a facinaty long creature
We can conclude from this situation that this woman may have been a victim of violence.
How long (approximately) has the victim been dead?
Lividity can become noticeable, under ideal conditions, between 20 and 45 minutes post-mortem. On average, they appear between 1 and 3 hours, settling (fixation of the hypostases) definitively around 8 to 12 hours post-mortem, occupying the lower plane of the body's position.
We can conclude from this situation that this woman may have been a victim of violence.
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Which is the difference between an antibiotic and an antiviral?
Answer:
There are no options in this question, the options are as follows:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
B. Antibiotics treat the symptoms, and antivirals destroy the causing organism.
C. Antibiotics are in liquid form, and antivirals are in mist form.
D. Antibiotics treat patients who have Staphylococcus, and antivirals treat patients who have the flu.
The answer is D
Explanation:
Specific drugs are used to curb infection or diseases caused by specific pathogens. An infection can be caused by either bacteria, virus or fungi. Considering their different mechanism of infection, viral infections are treated with the use of ANTIVIRAL DRUGS while bacterial infections are treated with the use of ANTIBIOTICS.
According to this question, staphylococcus is a bacterial genus and hence, patients with staphylococcus can be treated with antibiotics while flu is a viral disease, hence can only be treated with antivirals.
Answer:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
Explanation:
edg
Which environmental factor would cause the greatest decrease in the number of species of plants and animals living in some of the lakes in the United States
Answer:
Which environmental factor would cause the greatest decrease in the number of species of plants and animals living in some of the lakes in the United States is acid rain
Acid rain refers to the precipitation of acidic components from the atmosphere to the Earth's surface. Some of the most common acidic components are sulfuric acid and nitric acid.
The ACID RAIN is the environmental factor that causes the greatest decrease in the number of species of plants and animals living in lakes in the USA.The negative ecological effects of acid rain are higher in aquatic environments (e.g., streams and lakes) than in terrestrial environments.In aquatic environments, it has been shown that acid rain decreases biodiversity by changing the pH level of lakes and streams.Acid rain can directly or indirectly affect different aquatic species (both plants and animals), thereby distorting the food chain and thus altering all trophic levels.In conclusion, ACID RAIN is the environmental factor that causes the greatest decrease in the number of species of plants and animals living in lakes in the USA.
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the difference between what two pressures drives air into and out of the lungs?
the main difference between the pressure of air in the lungs during inspiration and expiration is is the difference between intra pulmonary pressure.
the intra pulmonary pressure is the pressure exerted by the air in the lungs during the process of inspiration and expiration.
inspiration is the process in which the pressure of atmospheric air in the lungs is more than the intrapulmonary pressure in the lungs it is due to the intake of oxygen into the lungs.
expiration is the process in which the pressure of atmospheric air is less than the intra pulmonary pressure.
The transfer of oxygen from the outside environment to cells within tissues, as well as the removal of carbon dioxide in the opposite way, is referred to as respiration. It is a biological reaction that takes place within the cells of living organisms.
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Archaeology has shown that ancient humans:
A. were primitive
B. lacked intelligence
C. had an understanding of scientific principles
D. had an understanding of mathematics
E. required millions of years to evolve
F. Developed technologies which somehow were lost
(You can select multiple)
como afecta este tipo de contaminacion a tu salud ? (el humo de carro)
Answer:
El aire contaminado no solo afecta al sistema respiratorio, sino que repercute en muchos más aspectos de nuestra salud. Pulmones. Perjudican su revestimiento y provocan tos, sibilancias, disnea y dificultades para respirar, sobre todo en personas vulnerables. Infartos.
Explanation:
hope this helps novio<3
How does this illustrate that the scientific community is more willing to revise their thinking regarding biological evolution than many critics assert?
The scientific community's willingness to revise their thinking regarding biological evolution can be seen in the ongoing debates and discussions surrounding the topic.
While the basic tenets of evolution by natural selection have remained largely unchanged since the time of Darwin, new evidence and discoveries have prompted revisions and updates to the theory.
For example, the discovery of DNA and the advent of molecular biology have led to a greater understanding of the mechanisms of inheritance and evolution, and have prompted revisions to the traditional view of the tree of life. Additionally, the study of epigenetics has challenged the notion that genetic traits are solely determined by DNA sequences.
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Which of the following statements concerning chromosomes is/are true? Select all that apply.
selectk All That Apply
Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
Homologous chromosomes contain the same genes and the same allele combination.Homologous chromosomes contain the same genes and the same allele combination.
DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.
After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.
The true statements concerning chromosomes are:
1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
3. Homologous chromosomes contain the same genes and the same allele combination.
4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.
5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.
1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.
2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.
3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.
4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.
5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.
6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.
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How does the human immune system destroy a pathogen in the body?A. B cells release antibodies that neutralize the pathogen.B. Antibiotics are released by B cells to destroy the pathogen.C. Lymphocytes recognizes pathogens as antigens in the body.D. T cells build immunity to the pathogen by releasing antibodies.
T cells are important to our immune system, but they do not release antibodies. They activate B cells and cytotoxic T lymphocytes to kill cells that are infected. Therefore, D is incorrect.
Antibiotics are not produced by our immune system. They can be found in nature or synthesized in labs. Therefore, B is incorrect too.
Lymphocytes are divided into T and B cells. B lymphocytes release antibodies that will recognize pathogens and bind to them, but T cells doesn't work like that. Lymphocyts does not recognize pathogens and C is incorrect as well.
B cells create antibodies, release them and they will bind to pathogens to neutralize them. Therefore, the correct answer is A. B cells release antibodies that neutralize the pathogen.
Which of these is an advantage of sporulation?
It produces large numbers of offspring.
It combines male and female cells.
It is a type of sexual reproduction.
It is commonly seen in yeast
Where does photosynthesis happen the fastest and the slowest?
Answer: It's basically fastest when white light hits and when yellow, red and green light hits it's at its lowest
Explanation: i hope this helped
which of the following would be considered chemical weathering ?
Answer:
rust
Explanation:
when Iron is rusting a chemical change is happening
a 28-year-old medical student consumes a cheeseburger, fries, and chocolate shake. the meal stimulates the release of several gastrointestinal hormones. the presence of fat, carbohydrate, or protein in the duodenum stimulates the release of which hormone from the duodenal mucosa?
Glucose-dependent insulinotropic peptide hormone from the duodenal
mucosa. Thus correct answer (b) .
Glucose-dependent insulinotropic polypeptide (GIP), also known as Gastric inhibitory polypeptide or stomach inhibitory peptide (often abbreviated as GIP), is a secretin-like hormone that inhibits gastric acid secretion while stimulating insulin production.
GIP was originally called gastric inhibitory peptide because it was assumed to reduce stomach acid secretion; however, subsequent research revealed that its principal impact is to stimulate insulin release in response to a meal. GIP is also involved in lipid metabolism and has been linked to fat accumulation.
Is GIP a peptide hormone?
GIP is a 42aminoacid hormone produced by upper small intestine K cells6,7. It was first isolated from swine intestine for its potential to decrease stomach acid secretion8.
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Full Episode :A 28-year-old medical student consumes a cheeseburger, fries, and chocolate shake. The meal stimulates the release of several gastrointestinal hormones. The presence of fat, carbohydrate, or protein in the duodenum stimulates the release of which hormone from the duodenal mucosa?
A. Cholecystokinin
B. Glucose-dependent insulinotropic peptide
C. Gastrin
D. Motilin
E. Secretin
schwann cells ependymal cells. oligodendrocytes. microglial cells are the member of ____ cells.
Schwann cells, ependymal cells, oligodendrocytes, and microglial cells are all members of glial cells.
Glial cells are a type of non-neuronal cell that provide support and protection for neurons in the brain and spinal cord.
The nervous system's support cells are known as glial cells, and they serve a variety of roles, including maintaining ion balance, preventing the spread of pathogens, and myelinating axons, among others.
The glial cells are divided into four categories:Schwann cells,Oligodendrocytes,Microglial cells,Ependymal cells.Schwann cells, which are present in the peripheral nervous system (PNS), make myelin and support the regeneration of PNS axons after injury.
Schwann cells, for example, can sense injury and release factors that activate local immune cells, which are critical for regeneration.Microglia, which are part of the body's immune system and are present in the central nervous system (CNS), act as immune cells in the brain, clearing pathogens and other debris that may accumulate.
Microglia are also involved in the development and function of synapses, the points of contact between neurons.Ependymal cells, which line the cerebral ventricles, generate cerebrospinal fluid (CSF), which helps cushion the brain and spinal cord from mechanical injury.
Oligodendrocytes, which are found in the CNS, provide myelin to CNS axons, allowing for efficient saltatory conduction and quick communication between neurons.
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Scientists have evidence that Glossopteris was found in what is now India, Antarctica, Australia, and Madagascar. What does this tell you about the position of the continents 225 million years ago?
Answer:
these continents were joined as a single landmass
Explanation:
Alfred Wegener proposed the 'Continental Drift Hypothesis' which stated continents were joined into a single great landmass called Pangaea. Pangea was a supercontinent that was assembled during the late Paleozoic and early Mesozoic eras, from about 330 to 200 million years ago. During the early Mesozoic, Pangea began to separate into continents observed today. It is for that reason that the same fossils can be found in very different geographic-climatic regions, evidencing that in the past continents were joined into larger landmasses.
Consider an enzymatic reaction in which the initial concentration of substrate is low. If the amount of enzyme is held constant, but the amount of substrate is increased, the rate of an enzyme catalyzed reaction will
a. stay the same
b. decrease at first, then increase in a linear fashion.
c. be inhibited by the higher concentrations of substrate.
d. increase at first in a linear fashion, then remain at a constant high rate.
e. increase in an exponential fashion.
If the amount of enzyme is held constant, the rate of an enzyme catalyzed reaction will e. increase in an exponential fashion.
An enzyme-catalyzed reaction involving two substrates The two substrates are brought together in the correct direction and location to react with one another using the template provided by the enzyme.
By changing the structure of their substrates to resemble that of the transition state, enzymes help speed up processes. The lock-and-key paradigm, in which the substrate perfectly fits into the active site, is the most basic explanation of how an enzyme interacts with a substrate.
However, substrate binding frequently modifies the configurations of both the enzyme and substrate, a process known as induced fit. In these situations, the substrate's conformation is changed to more closely approximate that of the transition state.
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