A mother who is a muggle (a non magical human) crossed with a wizard (a magical father). The mother is recessive and the father is dominant. Using the letter m for magical powers, what is the ratio for their offspring? Be sure to leave out the : *
Answers
The offspring of produce from this cross is all (mn) ( a magical human) because the father is dominant (m) and also magical and the mother is recessive and nonmagical (n).
What is a dominant trait?Dominant is the trait of the allele that has the ability to mask the trait of the other allele, in the phenotype, only the dominant character is visible and the recessive trait is hidden.
The cross between father m(magical power) X n (nonmagical)
Gametes: m and n
Phenotype: all offspring showing magical power.
Genotype: all offspring showing mn genotype.
The cross is attached in the image below.
Therefore, the offspring of produce from this cross is all (mn).
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Related Questions
Help please I will give you the brainliest I need help with 3
Answers
Answer: c) A High-Pressure System
Explanation: A high pressure system is a whirling mass of cool, dry air that generally brings fair weather and light winds.
when bacteria establish themselves in or on a host without causing an infection, this is known as
Answers
When bacteria establish themselves in or on a host without causing an infection, this is known as colonization.
Colonization occurs when bacteria are present in a specific area of the body but do not cause any harm or symptoms to the host. This is common in areas such as the skin, respiratory tract, and gastrointestinal tract, where bacteria can reside without causing any harm to the host.
However, colonization can sometimes lead to infections if the bacteria spread to other parts of the body or if the host's immune system becomes compromised. It is important to note that not all bacteria that colonize the body are harmful, and some may even be beneficial to the host by aiding in digestion or protecting against harmful bacteria. Regular hygiene practices, such as hand washing and maintaining a clean environment, can help prevent colonization from leading to infections.
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What is the lowest level of organization of the biosphere, or the one that
has the fewest members?
Answers
Answer:
Organism
Explanation:
the answer is Organisms
Explain whether the following statement is True or False.During chemiosmosis, a hydrogen ion gradient is linked to the production of ATP.
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The following statement is true: During chemiosmosis, a hydrogen ion gradient is linked to the production of ATP.
Chemiosmosis is the process by which ATP is produced in the mitochondria and chloroplasts during cellular respiration and photosynthesis, respectively. In this process, energy from the flow of electrons through the electron transport chain (ETC) is used to pump hydrogen ions (H+) across a membrane, creating an electrochemical gradient.
In mitochondria, the electron transport chain is located in the inner mitochondrial membrane, and H+ ions are pumped from the mitochondrial matrix to the intermembrane space. In chloroplasts, the electron transport chain is located in the thylakoid membrane, and H+ ions are pumped from the stroma to the thylakoid lumen.
The electrochemical gradient created by the accumulation of H+ ions generates a proton motive force (PMF), which drives the synthesis of ATP by ATP synthase. ATP synthase is an enzyme that synthesizes ATP from ADP and inorganic phosphate (Pi) using the energy released by the movement of H+ ions down their electrochemical gradient.
Therefore, the statement that during chemiosmosis, a hydrogen ion gradient is linked to the production of ATP is true.
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Blology Period 3
of
Identify Structures of Eukaryotic Cells
Identify the structures in the cell pictured on the
right
Label A
Label B
Label C
Label D
Label E
D
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Answer:
Identify the labeled structures.
A:
✔ endoplasmic reticulum
B:
✔ chloroplast
C:
✔ lysosome
D:
✔ cytoplasm
E:
✔ cell wall
Explanation:
i took the test
Answer:
edge 2022
Explanation:
This matter has a definite shape and volume with particles closely packed together with very little movement. It is a
liquid
solid
gas
plasma
Answers
E transformation step in creating bacteria genetically engineered to produce human proteins involves?
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E transformation in creating bacteria genetically engineered to produce human proteins.
Small, single-celled organisms called bacteria exist. Nearly all areas of the world are home to bacteria, which are essential to their ecosystems. Some species can survive in environments with high pressure and temperatures. The average person's body is teeming with bacteria, and it's thought that bacterial cells outnumber human cells. The bacteria that hurt us are the bad ones.
They are known as pathogens. These might be picked up from our surroundings. Vibrio cholera, the bacteria that causes cholera, can be obtained through consuming food or water that has been tainted with an infected person's feces, as well as by coming into direct touch with an infected person.
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The new plant produced by the technique of layering must remain attached to the stem of the original plant.
True False
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False. The new plant produced by layering does not have to remain attached to the stem of the original plant.
What is layering?Layering is a method of vegetative propagation of plants in which a part of a plant such as a stem or a branch is pegged to a substrate for that part to develop its own root and establish before it is eventually cut off and transplanted to become a new plant.
Layering can be done in 5 ways. These include
Tip layeringSimple layeringCompound layeringMound layeringAir layeringWhatever the method that is used, the new plant only remains attached to the original plant for some time after which it is usually detached or cut off to become an individual plant on its own.
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Answer: it’s false I think?
Explanation: I hope this helps!!!
Explain how the changes in the villi of a person with coeliac disease may cause the person to lose weight and have low amounts of vitamins and minerals in their body
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Answer:
The changes in the villi of a person with coeliac disease may cause the person to lose weight and have low amounts of vitamins and minerals in their body because Villi absorb vitamins, minerals and other nutrients from the food you eat.Examine Tributaries in Sabino Creek Examine the tributaries at various locations close up with an eye altitude of about 5,000 feet show me. Remember that the eye altitude is altitude above sea level and not altitude above ground level. Notice that all of the tributaries are dry, with no running surface water. Streams that remain dry during dry weather conditions and that flow again during wet conditions are called [Select) Now click on the three photo links for Sabino Creek: Tributary 2 - Wet season, Upper channel 2 Wet season and Main channel - Wet season show me. All three of these photos are pictures taken of Sabino Creek during the wet season and when surface water was flowing in the stream. Notice that the photo from Tributary 2 shows very turbulent water flow, while the photos of the upper and main channel show very slow moving water. What do you think accounts for the difference in flow?
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- Streams that remain dry during dry weather conditions and that flow again during wet conditions are called ephemeral streams. So, the answer is ephemeral streams.
- The photo from Tributary 2 shows very turbulent water flow, while the photos of the upper and main channels show very slow-moving water. The difference in flow may be due to the amount of water or the speed of water flow, or a combination of both.
The amount of water and its speed is influenced by several factors, including the following:
Topography: The slope and shape of the land are important factors in determining the speed of water flow. In steep mountainous areas, water tends to flow quickly, whereas, in flat areas, water tends to flow slowly.
Soil type: Different soil types have different permeability rates. This implies that some soils absorb water more readily than others, allowing water to flow more slowly into streams.
Vegetation: Vegetation also has an impact on water flow. Vegetation can help to slow water flow by capturing and holding it, or it can help to speed water flow by releasing it quickly through roots and leaves.
Human activities: Activities such as damming, logging, and construction have a significant impact on water flow and can alter stream channels, leading to changes in water flow.
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What can Inherited genetic variation be caused by?
Answers
Inherited genetic variation can be caused by simply by genetic mutation.
What is meant by Inherited genetic variation?Inherited genetic variation can simply be defined as those variants traits of characteristics which is usually, frequently and most of the time transferred from parents to offsprings. That being said, it is situation which occurs as a result of mutation.
However, traits are passed on offsprings from their parents due to the genetic makeup which comes together between the parents. Traits which can be transferred from to offsprings include the following:
Colour of the eyeHeightShape of noseIn addition to the information above, variation are those differences which exists between organisms of the same species.
In conclusion, it can be deduced from the explanation given above that germline variants are being passed from parents through mutation.
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Which condition is a heightened response that occurs after exposure to a noxious stimulus?
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Hyperalgesia is a heightened response that occurs after exposure to a noxious stimulus.
Hyperalgesia:An increased sensitivity to feeling pain and extreme response to pain. When the nerves or the chemical makeup of the nerve pathways involved in pain perception are damaged, hyperalgesia may result. Your body's particular nerve receptors are becoming more sensitive, which is the reason for this. As a result of a surgery or procedure, tissue or nerve injury may result in hyperalgesia. Additionally, it can happen to persons who are using opioids.
A noxious stimulus is one that is potent enough to endanger the integrity of the body (i.e. cause damage to tissue). Peripheral afferents, such as A-delta and C-nerve fibers and free nerve endings, are induced by noxious stimuli and are responsible for transmitting pain throughout an organism's nervous system.
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When molecules bind to the receptor proteins of the microvilli of taste cells, the nerve impulses travel to the ____________ cortex. When molecules bind to the receptor proteins of the nose, the nerve impulses travel to the ____________ cortex.
Answers
When molecules bind to the receptor proteins of the microvilli of taste cells, the nerve impulses travel to the gustatory cortex. When molecules bind to the receptor proteins of the nose, the nerve impulses travel to the olfactory cortex.
When we experience the sensation of taste, it is due to the activation of taste receptor cells located on the microvilli, which are tiny hair-like structures on the surface of taste buds. These receptor cells are specialized in detecting different taste qualities such as sweet, sour, salty, bitter, and umami. When molecules from food or drink bind to these receptor proteins, it triggers a series of events that result in the generation of nerve impulses.
These nerve impulses travel from the taste receptor cells to the brain, specifically to an area known as the gustatory cortex. The gustatory cortex is responsible for processing and interpreting taste information. Located in the insula, a region deep within the brain, the gustatory cortex plays a crucial role in determining our perception of taste and flavor.
Similarly, when we smell something, molecules from the odorant substances bind to receptor proteins in the olfactory epithelium, which is located in the nasal cavity. This binding process also generates nerve impulses that are transmitted to the brain for further processing. In the case of smell, the nerve impulses travel to a different area of the brain called the olfactory cortex.
The olfactory cortex, also known as the piriform cortex, is responsible for processing and analyzing olfactory information. It helps us identify and discriminate various odors, contributing to our sense of smell. The olfactory cortex is closely connected to other brain regions involved in memory and emotion, which is why smells often evoke strong emotional responses and trigger vivid memories.
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explain how homeostasis works in the digestive system when you get food poisoning
Answers
The digestive system maintains homeostasis by ensuring that the stomach environment has the right pH balance.
How does homeostasis work in the digestive system?The body uses both positive and negative mechanisms to carry on homeostasis. When the body catches an imbalance, the various systems work together to counteract and restore correct equilibrium. The bacterial flora in the intestines is crucial to homeostasis in the body. They not only break down food so the nutrients can be absorbed.
In the digestive system, homeostasis is attained by a series of procedures controlled by various organs and tissues. The digestive system maintains homeostasis by creating the proper pH balance in the gastric environment. In addition, by continuing the correct enzyme ratio.
So we can conclude that The actuation of the digestive system enzyme pepsin is an example of a positive feedback mechanism
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Food poisoning would cause an intense dehydration and upset of the homeostatic process of the body.
How does homeostasis work?In the digestive system, homeostasis refers to the maintenance of a stable internal environment in response to external changes, such as the ingestion of food. When food poisoning occurs, the body's normal homeostatic processes are disrupted.
However, if the food poisoning is severe, the body may not be able to effectively restore homeostasis, leading to dehydration and other complications. In these cases, medical intervention may be necessary to help the body regain its normal balance.
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ribosome
endoplasmic reticulum
goligi apparatus
cell wall
vacuoles
lysosomes
mitochondria
cell membrane
cytoplasm
chloroplasts
which are animal cells only, plant cells only, or both animal and plant cells
Answers
endo reticulum- both
golgi apparatus- both
cell wall- plant only
vacuoles- plant only
lysosomes- animal only
mitochondria- both
cell membrane- both
cytoplasm- both
chloroplasts- plant only
Answer:
ribosome: both
endoplasmic reticulum: both
goligi apparatus: both
cell wall: plant
vacuoles; both
lysosomes: both
mitochondria: both
cell membrane: both
cytoplasm: both
chloroplasts: plant
Explanation: person before got vacuoles and lysosomes wrong
Sperm become capable of movement while in the _____.
Answers
Answer:
epididymisExplanation:
The tail portion of an individual phospholipid molecule: Please choose the correct answer from the following choices, and then select the submit answer button. is hydrophobic and nonpolar. is hydrophilic and nonpolar. is hydrophobic and polar. is hydrophilic and polar. contains bonds with unequal sharing of electrons.
Answers
Answer:
The correct answer is - hydrophobic and nonpolar.
Explanation:
Phospholipids are amphipathic molecules which means they show the both hydrophobic and hydrophilic properties. This property is due to the fact that they have a phosphate head that is hydrophilic, and polar while there are also two hydrophobic nonpolar fatty acid tails.
The fatty acid chains have a cis double bond and are the uncharged, nonpolar tails, which are hydrophobic.
Thus, the correct answer is - hydrophobic and nonpolar.
factorise and solve 5p²=28p+32=0
Answers
Which organism cannot perform asexual reproduction?
humans
fungi
earthworms
potatoes
Answers
Answer: Humans
Explanation:
They perform sexual reproduction.
Q2.
A student investigated the time taken for amylase to breakdown a 10% starch solution into glucose at
37°C. The student repeated the investigation five times.
Figure 11 shows the results.
time taken for amylase to produce glucose (s)
test 1
120
test 2
125
test 3
110
test 4
115
test 5
118
Figure 11
Calculate the rate of amylase enzyme activity for the 10% starch solution.
Answers
The rate of amylase enzyme activity for the 10% starch solution can be calculated by taking the average time taken for amylase to breakdown the starch solution into glucose.
Average time = (120 + 125 + 110 + 115 + 118) / 5 = 117.6 s
Rate of amylase enzyme activity = 1 / Average time = 1 / 117.6 s = 0.0085 s^-1
Therefore, the rate of amylase enzyme activity for the 10% starch solution is 0.0085 s^-1.
how is the dna in a prokaryotic different from a eukaryote?
Answers
Amoeba Sisters Video Recap: DNA Replication
Your turn to narrate! Narrate the illustrations below to explain the sequence of events occurring in DNA replication.
Answers
Before starting the explanation in the amoeba sister video, they explain what DNA replication is. We can say that DNA, which in eukaryotic cells is located in the nucleus, contains all the genetic information of a being and its duplication process is important for cell growth, reproduction and repair.
What is DNA replication?A DNA molecule is made up of two strands that complement each other. For example, if we have an F and an F' strand, in the replication process the strands separate and are used as templates for the formation of complementary strands. Thus, the nucleotide sequence of F determines the sequence of a new F' strand, and F' indicates the composition of a new F strand.
DNA replication processIn the video of the amoebas sisters it is briefly explained that..
DNA replication occurs in the 5' → 3' direction and the strands are separated by the action of enzymes, which break the bonds between the nitrogenous bases and unwind the strands, opening the double helix. As DNA uncoiling takes place, other enzymes act to catalyze the synthesis of two new sequences using the parent strands as a template. Each strand created joins an original strand of DNA. Therefore, the process is classified as semi-conservative. DNA is a double helix molecule and for its duplication to occur, the first step is to unpack this structure by the action of the DNA helicase enzyme. The helicase recognizes the origin of replication and works by breaking the hydrogen bonds in the nitrogenous bases A-T and C-G. This process occurs at several points and forms "replication bubbles". As the bonds unravel, it's like a zipper opening, so this step gives rise to a Y-shaped structure called the replication fork, the starting point of duplication.The primase enzyme is responsible for synthesizing a portion of RNA, called a primer. In this step, several primers are generated and are joined to the chain to start DNA synthesis. The DNA polymerase enzyme is the replication enzyme responsible for extending the new strand by adding the bases (A, C, G and T). This step is directed from the 5' end, with a phosphate group, to the 3' end, with a hydroxyl group. This phase is called continuous replication. Among the primers attached to the original strand, several pieces of DNA are attached and are called Okazaki fragments. As the sections will need to be joined later, this phase is called delayed. The exonuclease enzyme is responsible for removing the primers from the original strands after the formation of continuous and discontinuous strands. To avoid sequencing errors, a review and, if necessary, a correction is performed by another exonuclease. The enzyme DNA ligase causes the DNA fragments to be joined and the DNA sequenced into two continuous strands.thus, in a simple way, how DNA replication occurs in the video of the amoebas sisters.
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cells that rarely divide spend most of their tome in interphase (G1,S,G2) True/False
Answers
Cells that seldom divide spend most of their tome in interphase (G1,S,G2) True
PLEASE HELP!!! (I will mark brainliest)
All energy resources have an impact on our environment. Fossil fuels do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions. It is important to understand the environmental impacts associated with producing power from renewable sources such as wind, solar, geothermal, biomass, and hydropower. The type and intensity of environmental impact from each resource varies depending on the technology used, the geographic location, and several other factors specific to each resource. 9) Harnessing wind power is one of the cleanest and most sustainable ways to generate electricity as it produces no toxic pollution or global warming emissions. Wind is also abundant and inexhaustible. But it has its disadvantages.
All BUT ONE could be considered a disadvantage to using wind power as a sustainable energy resource. A) Wildlife - Wind turbines negatively impact wildlife, most notably on birds and bats. B) Public health - People living close to wind turbines have complained about sound and vibration issues. C) Land use - Wind turbines can be sited on brownfields: abandoned or underused industrial land which significantly reduces concerns about land use. D) Competition - Off-shore wind facilities may compete with a variety of other ocean activities, such as fishing, recreational activities, and aquaculture.
Answers
Answer:
Wind, solar, geothermal, biomass, and hydropower also have environmental impacts, some of which are significant. Fossil fuels do substantially more harm than renewable energy sources by most measures. By understanding the potential environmental issues associated with each renewable energy source, we can takes steps to effectively avoid or minimize these impacts. Biomass power plants generate electricity from biomass that can be sustainably produced and utilized in the United States for energy and fuel, focusing on agricultural residues, waste materials, and forest biomass. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into the earth's surface to reach deeper geothermal resources, can allow broader access to geothermal energy.
Future of hydroelectric power in the United States will likely involve increased capacity at current dams and new run-of-the-river projects. Large-scale hydroelectric dams continue to be built in many parts of the world (including China and Brazil) There are environmental impacts at both types of plants. While actual impacts of large-scale operations have not been observed, a range of potential impacts can be projected.
Answer:
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
What role does DNA's structure play in its function (for example, the type of bonds holding the bases together vs the type of bonds holding
the sugar/phosphate together)?
Answers
Answer:
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
PLEASE HELP NO POINT THEFTING PLEASEE! Which statement describes the relative age of a fossil that has formed inside a layer of rock?(1 point)
A.The fossil is older than the layer of rock right below it.
B.The fossil is younger than the layer of rock it was formed in.
C.The fossil is older than the layer of rock it was formed in.
D.The fossil is younger than the layer of rock right above it.
Answers
Answer:
Should be B.The fossil is younger than the layer of rock it was formed in.
Explanation:
In humans, hemophilia is a sex-linked recessive trait. If a female who is a carrier for hemophilia marries a male with normal blood clotting, answer the following questions.
A. What fraction of the female children will have hemophilia?
B. What fraction of the female children will be carriers?
C. What fraction of the male children will have normal blood clotting?
D. What fraction of the male children will be carriers?
E. What fraction of the male children will have hemophilia?
Answers
Answer:
1) A. she gets the X chromosome with the hemophilia gene, she will have hemophilia. A man who has hemophilia and a woman who is a carrier have: a 25% (one in four) chance of having a son with hemophilia. a 25% chance of having a son with normal blood clotting.
2) B. What fraction of the female children will be carriers? 50%.
3) C. a 25% chance of having a son with normal blood clotting.
4) D. What fraction of the male children will be carriers? 07.
5) E. What are the chances of having a child with hemophilia? No sons of a man with hemophilia will have hemophilia. All daughters of a man with hemophilia will be carriers (called obligate carriers). If a carrier has a son, the son has a 50% chance of having hemophilia.
Answer the following: 1. Describe the common tissues found in the organs of the intestinal tract.
2. Describe the common tissues and structures found in accessory organs
Answers
1. Common tissues found in the organs of the intestinal tract There are more than 100 million neurons in the small and large intestines of the gastrointestinal tract, which interact to control digestion, secretion, and absorption.
The walls of the intestinal tract contain four layers of tissue, as well as a mucous membrane that lines the internal surface of the organ. The four layers of tissue are:Epithelium: This layer lines the inner surface of the intestinal tract and is responsible for nutrient absorption and secretion. Connector tissue: The connective tissue layer contains the blood vessels, nerves, and lymphatic vessels that nourish and support the organ's other tissues.Muscularis: The muscularis layer is made up of smooth muscle cells that are responsible for the peristaltic movements that propel food through
the intestinal tract. In the small intestine, these movements help to mix the food with the digestive juices.Serosa: The serosa layer covers the organ's external surface and secretes a lubricating fluid that allows the intestinal tract to move freely within the abdominal cavity.2. Common tissues and structures found in accessory organs Accessory organs are the organs that assist in the digestive process but are not part of the gastrointestinal tract. These organs include the liver, pancreas, and gallbladder.
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1. a bacterium is discovered with new mutated form of isocitrate dehydrogenase that catalyzes the same reaction but produces hydrogen gas instead of nadh. a. write a balanced equation for the new reaction. b. what affect does this mutation have on the amount of atp produced from one glucose molecule? c. a second bacterium is found with a mutated form of nucleoside diphosphate kinase that regenerated gdp without generating atp. what affect does this mutation have on the amount of atp produces from one glucose molecule?
Answers
a. The balanced equation for the new reaction catalyzed by the mutated isocitrate dehydrogenase is:
Glucose + Oxygen -> Water + Carbon Dioxide + Hydrogen
b. The mutation in the isocitrate dehydrogenase that produces hydrogen gas instead of NADH would have a negative effect on the amount of ATP produced from one glucose molecule. This is because the production of hydrogen gas would divert some of the energy that would normally be used to produce ATP, resulting in a reduction in the overall yield of ATP.
c. The mutation in the nucleoside diphosphate kinase that regenerates GDP without generating ATP would also have a negative effect on the amount of ATP produced from one glucose molecule. This is because the regeneration of GDP without the production of ATP would result in a net loss of energy that would normally be used to produce ATP, leading to a reduction in the overall yield of ATP.
What is mutated isocitrate dehydrogenase?Isocitrate dehydrogenase (IDH) is an enzyme that plays a key role in the citric acid cycle, also known as the Krebs cycle, which is a central metabolic pathway in cells. IDH catalyzes the conversion of isocitrate to alpha-ketoglutarate, a reaction that generates NADH, a molecule that can be used to produce ATP, the main energy currency of cells.
A mutated form of isocitrate dehydrogenase is a variant of the enzyme that has undergone a change in its genetic makeup, resulting in a different amino acid sequence and potentially different function.
Therefore, In the scenario described above, the mutated isocitrate dehydrogenase was able to catalyze the same reaction as the normal enzyme, but it produced hydrogen gas instead of NADH. This mutation would have a negative effect on the production of ATP, as the production of hydrogen gas would divert some of the energy that would normally be used to produce ATP.
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What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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