Same amounts of enzymes and different pH values alone affects an enzyme's ability to function.
The proteins known as enzymes aid in accelerating chemical processes in our bodies. Digestive health, liver health, and many other processes depend on enzymes. A certain enzyme might be unhealthy in excess or insufficient amounts. Our blood contains enzymes that can aid medical professionals in examining us for wounds and illnesses. Proteins known as enzymes assist our bodies' chemical reactions, or metabolism, to move more quickly. Others are broken down while others are built. Enzymes exist in every living organism.
The assistance in digesting that enzymes provide is one of its most crucial functions. When we consume, our food is converted into energy through the process of digestion. Our stomach, intestines, pancreas, and saliva, for instance, all contain enzymes. Proteins, lipids, and carbs are all broken down by them.
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How do enzymes affect a chemical reaction, making it easier to occur?
a. They make the reaction exothermic
b. They reduce the activation energy
c. They raise the activation energy
d. They make the reaction endothermic
Enzymes affect a chemical reaction, making it easier to occur by reducing the activation energy; option B
What are enzymes?Enzymes are biological molecules that alter the rate of chemical reactions occurring in the body.
Enzymes usually speed up the rate of reactions by making the reactions less energy-demanding, that is by lowering the activation energy of the biochemical reaction.
Enzymes are usually proteins, hence are affected by the conditions of temperature and pH.
Enzymes are also very specific in the substrate they act upon.
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PLEASE ANSWER CORRECTLY !
which substance is a main product of cellular respiration that is made by the krebs cycle
• ethanol
• carbon dioxide
• water
• pyruvate ions
Answer:
carbon dioxide is a main product of cellular respiration that is made by the Krebs cycle
The main product of cellular respiration that is made by the Krebs cycle is carbon dioxide.
The Krebs cycle, also known as the citric acid cycle or tricarboxylic acid cycle, is a central metabolic pathway in cellular respiration. It occurs in the mitochondria of eukaryotic cells and plays a critical role in extracting energy from glucose and other fuel molecules.
During the Krebs cycle, a series of chemical reactions occur, resulting in the conversion of acetyl-CoA, a two-carbon molecule, into several intermediate compounds. One of the key steps in the Krebs cycle is the decarboxylation reactions, where carbon dioxide (CO₂) is released as a byproduct.
In each turn of the Krebs cycle, carbon dioxide is produced from the breakdown of carbon atoms within the acetyl-CoA molecule. This release of carbon dioxide occurs twice for every glucose molecule that enters the Krebs cycle since two acetyl-CoA molecules are generated from the initial glucose molecule through prior steps of cellular respiration.
The carbon dioxide generated during the Krebs cycle is then transported to the lungs through the bloodstream, where it is eventually exhaled. This is an essential part of the respiratory system's role in eliminating waste products from cellular metabolism.
Therefore, the main product of cellular respiration made by the Krebs cycle is carbon dioxide. It is a byproduct of the oxidation of fuel molecules and is crucial for maintaining the balance of gases in the body and facilitating efficient energy production.
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How does sexual reproduction contribute to genetic variation
Genetic diversity is developed during sexual reproduction because the sperm and eggs that are produced have different gene combinations than their parent organisms.
Offspring through sexual reproduction could have a very diverse genetic makeup. This variation results from gametes randomly joining together after fertilisation, independent assortment, and crossing-over during meiosis.
As alleles in gametes are randomly divided and reassembled after fertilisation, genetic variety results. During meiosis, when homologous chromosomes are crossed over or their gene portions are swapped, genetic recombination also takes place.
Animals with albinism, cheetahs with stripes, flying snakes, play-dead animals, and mimicking plants are a few examples of genetic variety in animals.
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What does this mean?
The sediment was being deposited in a new location. Option D.
Chemical weathering describes the process by which chemicals in rainwater change the minerals of rocks. Carbon dioxide in the air dissolves in rainwater, making it slightly acidic. Weathering describes the deterioration or dissolution of surface rocks and minerals.
Water Ice Salt Plants Animals Changes in temperature are all factors in weathering. When rock is mined, rock fragments and minerals are carried away through a process called erosion. When flooding occurs streams erode Also the same amount of sediment builds up creating a new equilibrium. Plants and animals' air and water are the main causes of weathering.
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Why is it important for scientists to perform repeated experiments
A. So they can have preferences
B. So they can earn more money
C. So they can have less bias
D. So they can be less objective
Answer:
I think it is probably A
Explanation:
tell me I'm wrong in the comments
6. Human blood consists of red blood cells, white blood cells, platelets,
and a liquid called plasma. Forensic scientists can only determine
DNA from a blood sample if there are white blood cells present in the
blood sample. Based on this, what organelle do mature red blood
cells lack? What do you think is the advantage for mature red blood
cells by lacking this feature?
Red blood cells lack nuclei in them. This provides more space for the cell to store hemoglobin.
What is the purpose of red blood cells?
Red blood cells are in charge of transporting oxygen from your lungs to your body's tissues. Your tissues use oxygen to produce energy and emit carbon dioxide as waste. Your red blood cells transport the carbon dioxide waste to your lungs, where you exhale it.
Due to the lack of a nucleus, hemoglobin also known as the oxygen-binding protein, allows the red blood cells to transport more oxygen. RBCs are also biconcave in shape, which increases the surface area available for oxygen diffusion across their surfaces.
Therefore, RBCs lack nuclei, which help transport more oxygen to the tissues.
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What is the role of a species can assume in ecosystem this ecncompasses all the way in which species interacts with the ecosystem, such as what it eats
The role a species can assume in ecosystem that encompasses all the way in which species interacts with the ecosystem, such as what it eats is called niche.
What is a niche?Niche is a function within an ecological system to which an organism is especially suited.
The niche of an organism describes the role the organism plays in a community or ecosystem.
A species' niche encompasses both the physical and environmental conditions it requires like temperature and the interactions it has with other species (like predation or competition).
Niche is specific to a particular species, which may overlap with a similar niche but must have distinct differences.
Therefore, it can be said that a niche is the role of a species in an ecosystem.
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If a chromosome contains a mutation such that it cannot bind to the kinetochore complex, what would be the consequence?.
If a chromosome contains a mutation such that it cannot bind to the kinetochore complex then mitotic spindle wouldn't be capable of binding to that chromosome.
Chromosome- The thread-like chromosomes that convey the genetic data from cells to cells are formed of protein as well as a single DNA molecule. Chromosomes are found within the nucleus of the cells in both plants and animals, including humans.
Mutation- Any alteration to a cell's DNA sequence. Mistakes in cell division can result in mutations, as can exposure to environmental DNA-damaging substances.
Kinetochore Complex- The development of attachments among microtubule polymers so each sister chromatid is essential for accurate chromosomal segregation. The macromolecular complex known as the kinetochore, which assembles at each chromosome's centromere during mitosis, acts as a bridge between both the DNA as well as the microtubules.
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what’s the main cause of extinction
Answer: taking animals profit, hunting, trapping
Explanation:
There are many causes of extinction like overuse of resources, loss of natural habitat, pollution etc.
Overuse of resources - Day by day human population is on a rapid rise and with this increasing population, the usage of resources is being increased which results to extinction of resources and different organisms.
Loss of natural habitat - Due to increasing usage of resources, humans had spread to each and every corner of the world, which in turn had affected the natural habitats of animals.
Pollution- It plays a main role in extinction of different species, due to pollution the air and environment is affected badly, which makes it difficult for animals to survive.
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8. In 1979, scientists started an experiment in Amazon to determine whether habitat fragments on land behaved like the islands studied by Wilson and his colleagues. How is a habitat fragment on land similar to an island in the ocean? pro likely to be lost from sm
Both are cut off from other habitats. Water separates islands in the ocean. Human development, such as farms, roads, and towns, separates habitat fragments on land.
What is habitat fragmentation on land and island?The emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), resulting in population fragmentation and ecosystem decay, is referred to as habitat fragmentation.Geological processes that slowly alter the layout of the physical environment, as well as human activity such as land conversion, can alter the environment much faster, causing the extinction of many species. Habitat fragmentation is the process by which large, contiguous habitats are divided into smaller, isolated patches of habitat.Habitat islands are habitat fragmented areas surrounded and separated by areas of destroyed or degraded habitat. Habitat fragmentation results in the formation of habitat islands. Nature's highways are wildlife corridors. These are the paths and areas that wildlife use to get from one location to another.To learn more about habitat fragmentation refer to :
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Which of the following is a function of nucleic acids?
The function of nucleic acids from the given options is that nucleic acids store and transmit genetic information.
What are nucleic acids?Nucleic acids are biopolymers, macromolecules, essential to all known forms of life which are composed of nucleotides, which are the monomers made of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base.
Nucleic acids are classified into two main classes of nucleic acids are deoxyribonucleic acid and ribonucleic acid.
Nucleic acids like the deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function.
Nucleic acids do not provide energy and they also do not store fatty acids.
In conclusion, nucleic acids can be found within the nucleus and cytoplasm of our cells.
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1.) True or false. A rotation followed by a
lation maps a pre-image to a similar image.
This implies that if we rotate an object by less than 180 degrees, the new image will resemble the original preimage.Additionally, mentioning the rotations' sequence and magnitude is always beneficial when illustrating rotational symmetry.
When an object is rotated and the image looks the same as the pre-image?
A geometric transformation that maintains a figure's size and shape is called an isometry, also referred to as a hard transformation.Under an isometry, points remain on a line, parallel lines remain parallel, angle measurements, parallelism, and collinearity all remain true. A geometric transformation that maintains a figure's size and shape is called an isometry, also referred to as a hard transformation.Under an isometry, points remain on a line, parallel lines remain parallel, angle measurements, parallelism, and collinearity all remain true. A dilation will always result in comparable numbers.A figure's orientation will always alter as a result of dilatation. Another name for a congruence transformation is an isometry.Thus, it keeps both side lengths and angle measurements.Only dilation among the alternatives alters the side lengths, hence it is not an isometry.So, option A is the proper response. Similarity transformations include translation, reflection, rotation, and dilation.Rotation, reflection, and translation preserve both size and shape because they are rigid motions, whereas dilation just makes sure that the shape is preserved. They could be twisted or flipped, so they could not have the same orientation, but they do have the same measurements.Congruent shapes are the result of most transformations.The image resembles the pre-image after one change.Similar implies that they have the same proportions and shape but differ in size. Translations, reflections, and rotations are examples of congruence transformations because the image of a figure after one of them is congruent with its preimage.When the image and preimage are congruent, a transformation is said to be a congruence transformation. An object can become another object by rotation.We can see that spinning an object does not alter its size or shape.Rotational transformations are hence isometric transformations.So a rotation is also an isometry. A stiff motion from some space that preserves distance is called an isometry.For instance, the real line isometry f(x)=x+5 shifts the entire line by 5 while maintaining the point-to-point distances.An isometry of a space that maps a figure to itself is called an object's symmetry in that space. a metric space is mapped onto another or onto itself in such a way that rotation and translation are isometries of the plane, meaning that the distance between any two points in the original space is equal to the distance between their images in the second space.A shape-preserving transformation (movement) in the plane or in space is called an isometric transformation (or isometry).The isometric transformations include translation, rotation, and combinations thereof, such as the glide, which combines a translation with a reflection.To learn more about trasformations refer
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each chromosome of a homologous pair is split during meiosis.
a. True
b. False
True, during meiosis, each chromosome of a homologous pair is split.
During meiosis, homologous chromosome pairs are randomly separated to form haploid cells, and this separation, or assortment, of homologous chromosomes is random. This means that the maternal chromosomes will not be combined in one cell, while the paternal chromosomes will be combined in another.
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What best describes the role of light in the overall process of photosynthesis?
Answer:
converts energy from sunlight into glucose
Explanation:
Light provides the energy for assembling small molecules into sugars
which colloid is expensive but rapidly expands plasma volume?
The colloid which is expensive but rapidly expands plasma volume is albumin.
Albumin is a kind of protein that is manufactured inside the human layer.
It is a protective protein that controls the leakage of fluids into blood vessels. This protein also circulates vitamins, hormones, and enzymes throughout the body.
In general, albumin is a colloidal protein and its primary donors are humans. Therefore, its supply is restricted as extracting it from the human body is quite costly and time-consuming.
It is available in injection form and is used for bleeding from burns, injury, or surgery by expanding the blood plasma volume.
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If the nyasasaurus parringtoni was found only in rock layer 2 and a fossil of an unknown plant was found only in rock layer 4, what would a paleontologist know about the comparative age and environment of the nyasasaurus parringtoni and the unknown plant?
Please help I'll put you as brainliest!!
The Paleontologist would use the law of superposition to decide the relative ages of the layers. Note that the Paleontologist would also infer that the plant is older than the Nyasasaurus Parringtoni that was found.
Why would the paleontologist make the above inference?The paleontologist would reach the above conclusion because based on the law of superposition, a sedimentary rock layer is are arranged according to age from youngest (topmost) to oldest (bottom).
A paleontologist is a scientist who analyzes the fossil record to learn about the evolution of life on Earth. Fossils are proof of former life on the earth and can be generated from animal bodies or their imprints (body fossils). Trace fossils are a kind of fossil.
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__________ information addresses the extent to which the same person responds similarly to different stimuli.
Answer:
Distinctiveness
Explanation:
Distinctiveness addresses the person in the same person responds to different stimuli in a similar way, to show behavior.
What is Distinctiveness?When discussing attribution, distinctiveness relates to how rare or commonplace a certain action done by a person is for that particular person.
The term distinctiveness describes how special behavior is to a certain circumstance. A person has low uniqueness if they act the same way in all circumstances, and high distinctiveness if they only exhibit the behavior in certain circumstances.
Therefore a person's stimuli in a similar way to different things provide Distinctiveness in behavior and provide major aspects to respond.
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what is a consumer
need help asap
Answer:
Referring to real life scenarios, A consumer is one who is shopping or retailing looking for something they need, whether it be online, in store, or else where . "consuming" What the buisness offers.
Explanation:
Trust
Algae releases carbon dioxide and water when they are burned as biofuel. Why are algae considered to be a good biofuel if they add carbon dioxide to the atmosphere?
Algae are considered to be a good biofuel even if they add carbon dioxide to the atmosphere because:
they are cheaper to growthey do not require as much carbon dioxide to grow as compared to plants.they do not require as much fertilizer as compared to plantsWhy are algae good for biofuel?
Algae have chlorophylls which makes them photosynthetic like green plants. They can also use energy from the sunlight and carbon dioxide from the environment to release oxygen.
Biofuel, though when burned release carbon dioxide. Algae are however, a better option for biofuel as they still use the carbon dioxide released to the environment for food during photosynthesis.
In summary, relying on crops for biofuels might be expensive as these crops would need land and a lot of capital too. While, with the required nutrients, algae serves as a cheaper and better alternative.
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Imagine that a disorder that causes the cell cycle to stop affects the muscle cells of a frog’s leg. What consequence is most likely to follow?
The frog will immediately not be able to use the muscle.
An injury to the muscle will not heal.
The frog will not be able to reproduce.
A broken bone in that leg will not mend.
Answer:
The answer is A
Explanation:
The frog should not be able to move said muscle if the muscle has stopped because of a disorder.
Which of the following descriptions best states how oceans and land absorb the sun's energy differently?
A.
Land retains absorbed heat longer than oceans do.
B.
Land absorbs the sun's energy slowly, while oceans absorb it more quickly.
C.
Land only absorbs radiation that is not harmful to humans.
D.
Land reflects more of the sun's energy, while oceans absorb it slowly and retain it longer.
The statement that describes the major differences as to how the oceans and the land absorbs the energy from the sun is that Land reflects the Sun's energy quickly, while oceans absorb it more slowly.
Earth's oceans are far more important than the land as a source of the heat energy which drives weather and climate. As they also absorb more sunlight and store more heat.
The sun warms up parts of the oceans. Warm waters rise just like warm air rises. So, as the warmer ocean waters begin to rise in a particular area, the cooler ocean waters from a different area will move in to replace the warmer ocean waters, and this creates our ocean currents.
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Inward extensions of the sarcolemma that dive deeply into the muscle fiber and surround each myofibril are known as _____.
transverse tubules (T-tubules)
How many levels of classification exist with our current framework?
Three
Five
Seven
Nine
Answer: seven
Explanation:
Ross has learned that he has parkinson’s disease, and that in time he will lose some of his cognitive faculties. He and his wife have a lawyer draw up a document that names her a health care ________ who will be able to make medical decisions for ross when he is unable to do so for himself.
According to the research, the correct answer is proxy. Ross and his wife have a lawyer draw up a document that names her a health care proxy who will be able to make medical decisions for ross when he is unable to do so for himself due he will lose some of his cognitive faculties.
What is a health care proxy?It is the person who has the right to make any decisions related to medical care, in the event that the person loses the ability to make their own medical decisions.
In this sense, these documents allow to write the specific guidelines for health care, especially in relation to wishes regarding treatments for patients with serious diseases such as Parkinson's disease.
Therefore, we can conclude that a health care proxy therefore represents the other person and is empowered to make medical decisions.
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acacia plants often have ants of the genus pseudomymex associated with them. removal of ant colonies from individuals of the bullhorn acacia species results in which change in the acacias?
Acacia plants often have ants of the genus pseudomymex associated with them. Removal of ant colonies from individuals of the bullhorn acacia species results in change in acacia is their growth is considerably stunted.
What is mutualism?
A type of contact known as mutualism occurs when neither the host nor the symbiont experience any negative consequences. This collaboration may last for a longer or a shorter period of time. The term "mutualist" refers to the other members of the mutualism, which include the host and the little partner.
For instance, honey from acacia trees is used by ants to stay alive. Ants are the mutualists in this situation, and acacia plants are the hosts.
Acacia plants often have ants of the genus pseudomymex associated with them. Removal of ant colonies from individuals of the bullhorn acacia species results in change in acacia is their growth is considerably stunted. The acacia trees produce specialized structure to shelter and feed the colony and the ants in turn defend the trees against the herbivores. The relation between acacia plants and ants that live on them are mutualistic.
Hence the correct answer is their growth is considerably stunted.
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what do you think would happen if you introduced an additional predator, such as a coyote, which requires fewer rabbits to reproduce?
Answer:
Rabbits will decrease in number
when blood glucose levels rise above the normal range, the pancreas secretes ________, but when blood glucose levels fall below the normal range, the pancreas secretes ________.
When blood glucose levels rise above the normal range, the pancreas secretes insulin, but when blood glucose levels fall below the normal range, the pancreas secretes glucagon.
Glucagon is a hormone that regulates blood glucose levels in conjunction with other hormones and physiological processes. It is an essential element that maintains the body's blood glucose levels since it originates from beta cells, which secrete insulin, and alpha cells, which are present in the pancreas.
Normally, after eating a meal, blood glucose levels rise. When blood sugar levels rise, insulin is released by pancreatic cells, which causes the body to take up glucose from the blood and return blood sugar levels to normal.
Glucagon prevents blood glucose levels from falling too low, whereas insulin prevents levels from increasing too high. The two hormones of pancreas work in opposition to one another to control blood sugar.
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What is the ciliated neuroglial cell that functions to circulate cerebrospinal fluid?.
To help circulate cerebrospinal fluid in the brain, ependymal cells beat their cilia.
What type of neuroglial cell is ciliated?
Ependymal cells line the ventricles of the brain and the central canal of the spinal cord in single-palisade arrays. They are typically ciliated, with cilia that extend into the ventricular cavity. Brightman and Palay have elucidated their fine structure.
Ependymal cells are ciliated simple columnar glial cells that line the spinal cord's ventricles and central canal. Apical surfaces are covered by cilia (which circulate CSF) and microvilli, which are hair-like projections (which help in CSF absorption).
Therefore, ependymal cells are the ciliated neuroglial cell that functions to circulate cerebrospinal fluid.
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how does the carrying capacity and limiting factors effect on reproductive patterns
Carrying Capacity
Carrying capacity is the number of organisms an ecosystem can support. If the population grows past the carrying capacity, then the environment or organisms will begin to suffer. The carrying capacity of an ecosystem is dependent upon the available resources and the needs of the organisms. Some ecosystems have more available water than others; these areas will have higher carrying capacities.
Limiting Factors
Limiting factors are things that restrict the population of an organism. For example, space, water, and food are all limiting factors. Within one ecosystem there is a finite amount of all resources. These limited resources restrict the number of organisms that can survive in one area.
Reproductive Patterns
Carrying capacity and limiting factors can affect reproductive patterns in different ways. If a population is reaching carrying capacity, then population growth could decrease as organisms do not have enough resources to reproduce. Additionally, some ecosystems have wet vs. dry seasons. In these areas, water, a limiting factor, is more available at specific times of the year. So, organisms might be more likely to reproduce as there is more access to limited resources.
What is solubility? How can you tell if something is soluble?
