Answer:
1.organic
2.Amino acids, nucleic acids, and nucleobases are key biological nitrogen compounds
3.The same amount of matter exists before and after the change—none is created or destroyed
Explanation:
What term is used to refer to the many feeding relationships that are possible in an ecosystem?
A.food chain
B.food web
C.energy transfer
D.trophic levels
Answer: B.Food web
Explanation:
The Food web has diverse types of relationships between producers and consumers.
in fruit flies, red eyes are completely dominant over white eyes and straight wings are completely dominant over curly wings. what is the phenotype of a heterozygous fly
RRSS is the phenotype of a heterozygous fly.
When two identical genes are present, a homozygous phenotype results.
When an organism is heterozygous, it has two distinct alleles of the same gene. For instance, pea plants can have either homozygous dominant (red-red) or heterozygous red blooms (red-white). They are homozygous recessive if they have white blooms (white-white). Always have heterozygous carriers
The term "heterozygous" describes the presence of several alleles for a given trait. You have a heterozygous genotype for that gene if the two versions differ from one another.
A heterozygous dominant genotype for a trait would be "Tt" if "T" stands for the dominant allele of a trait (for example, the phenotype of brown fur) and "t" stands for the recessive allele of a trait (for example, the phenotype of white fur).
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If a neutral element has an atomic number of 18 and an atomic mass of 39.95, how many of each subatomic particle does it have? Explain how you came up with this response.
For the neutral element;
The number of protons is 18The number of electrons is 18.The neutron number is 20.What are the subatomic particles?Sub-atomic particles are the smaller particles that are found within an atom.
The sub-atomic particles RE:
protons - positively-chargedelectrons - negatively-chargedneutrons - neutralA neutral atom has an equal number of protons and electrons.
The neutron number is the mass number minus the atomic number.
The number of protons in an atom is given by the atomic number of that atom.
The number of protons and electrons in the neutral element is 18 each.
The proton number is 39.95 - 18 = 21.95 or 22.
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studies of heritability in humans that assume that if genes influence a certain trait, close relatives should be more similar with that trait than distant relatives are called ________ studies.
Studies of heritability in humans that assume that if genes influence a certain trait, close relatives should be more similar to that trait than distant relatives are called family studies.
The field of family studies systematically investigates the ways in which people impact and are influenced by their families, communities, cultures, institutions, and societies as well as by ideas, norms, and values. It studies heritability in humans. In family studies, people who have a certain characteristic or mental condition are discovered, and the members of their family are tested to see if they have that characteristic or are at risk of having the same mental disease.
The profession focuses on the health and vitality of families; the use of social, personal, and material resources to satisfy human needs; the welfare of people and families; their position as consumers of products and services; and the growth and management of the home and community. Family studies lay the groundwork for moral leadership and career endeavors that support family resilience and enhance the common good in a multicultural and rapidly changing society.
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A group of mutations, known as MT-ND1, have been identified in mitochondrial DNA. These mutations are associated with a number of debilitating diseases stemming from the production of nonfunctional proteins in the mitochondria.
Which of the following cellular deficiencies would most likely be related to these MT-ND1 mutations?
a. The cell is unable to synthesize most proteins required for normal cell functions.
b. The cell is unable to break down toxic materials and would accumulate large volumes of these materials.
c. The cell is able to synthesize proteins, but the proteins would not fold properly and would not contain the correct molecular tags for export from the cell.
d. The cell is unable to complete reactions related to electron transport and ATP production.
The cell is unable to complete reactions related to electron transport and ATP production would most likely be related to these MT-ND1 mutations. So the correct option is (d).
Rare mutations in the MT-ND1 gene are responsible for stroke-like episodes, lactic acidosis, and mitochondrial encephalomyopathy (MELAS). A small number of MELAS cases originating from mutations in the MT-ND1 gene have been described, while the majority of MELAS cases are caused by mutations in other mitochondrial genes.
The proteins in the mitochondrion's inner membrane are involved in the electron transport chain and the generation of ATP. Reduced ATP generation in the mitochondrion is probably caused by dysfunctional proteins.
Therefore, senescent dysfunction of long-lived post-mitotic cells, such as neurons, cardiac myocytes, skeletal muscle fibers, and RPE, is primarily triggered by decreased ATP generation and increased oxidative stress. The cell is unable to complete reactions related to electron transport and ATP production would most likely be related to these MT-ND1 mutations. So the correct option is (d).
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How much can one single bacterium reproduce on a nutrient source at room temperature in 10 hours?:
[A] 15 Thousand bacteria
[B] 1 Million bacteria
[C] 30 Million bacteria
[D] 60 Million bacteria
I might need a direct answer because sometimes I don't get explanations lol.
One single bacterium can reproduce 15 Thousand bacteria on a nutrient source at room temperature in 10 hours.
So, option A is correct.
What is bacteria?Bacteria can be described as ubiquitous, mostly free-living organisms often consisting of one biological cell that constitute a large domain of prokaryotic microorganisms.
There are some major characteristics found in bacteria which include;
1) lack of membrane-bound organelles,
2) unicellular and
3) small (usually microscopic) size
Bacteria in the human body serves some functions as they help to degrade the food we eat, help make nutrients available to us and neutralize toxins.
In conclusion, Bacteria are microscopic single-celled organisms that can be helpful to organisms.
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At what point in the process of photosynthesis is radiant (heat/solar) energy converted to chemical energy (ATP)?
Answer:
chemical energy learning it
Explanation:
During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.
Here is a diagram of a reflex action.
What happens at F?
A
B
F
E
D
When extrafusal muscle fibers contract, they cause movements, and the contraction of these fibers is regulated by alpha motor neurons. U se both motor and sensory neurons to carry out their functions.
What is a reflex action?A sudden, reflexive response to stimuli is known as a reflex action. It aids organisms in making a fast adjustment to a bad situation that could otherwise result in physical injury or even death. A typical reflex action is pulling our hands away right away after touching something that is hot or cold.
What is one example of a reflex action?As an example, if you place your hand on a hot burner, you will instinctively remove it before your brain even registers that the object is hot. Other defense mechanisms include blinking when something flies in your direction or raising your arm in response to a ball being tossed in your direction.
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in the hardy-weinberg formula, what does q2 represent? multiple choice frequency of the heterozygotes frequency of the homozygous recessives frequency of the recessive allele frequency of the homozygous dominants frequency of the dominant allele
In the Hardy-Weinberg formula, q2 represents the frequency of the recessive allele frequency of the homozygous alleles.
In population genetics, the Hardy-Weinberg principle often referred to as the Hardy-Weinberg equilibrium theorem, or rule holds that, in the absence of additional evolutionary factors, allele and genotype frequencies in a population would remain constant from generation to generation.
The equation is
p^2 + 2pq + q^2 = 1
p^2 = dominant homozygous frequency (AA)
2pq = heterozygous frequency (Aa)
q^2 = recessive homozygous frequency (aa)
What factors disturb the Hardy-Weinberg principle?
Numerous factors, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow, have the potential to upset the Hardy-Weinberg equilibrium. For instance, mutations introduce new alleles into a population, disrupting the balance of allele frequencies.
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compare and contrast the flow of blood through the circulatory system and the flow of air through the respiratory system. describe at least one key similarity and one key difference.
Answer:
The difference between these two systems is: Circulatory system is only made up of the blood, heart, blood vessels, lymph nodes
Respiratory System: Is only made up of the nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli(air sacs, where the gas exchange occurs)
Unlike the respiratory system, circulatory system is a network of blood.
Circulatory system pumps blood around the body and the Respiratory system is to take oxygen in and expel carbon dioxide.
Similarities: When deoxygenated blood enters the heart and it is then transported via pulmonary veins to be oxygenated by the lungs.
Both systems involve oxygen for the body to work.
I hope this was helpful!
Some protists (single-celled organisms) that live in hypotonic pond environments
have cell membrane adaptation that slow water uptake. What adaptations might a
protest living in the hypertonic Great Salt Lake have? Explain your reasoning.
A protist is any eukaryotic organism that isn't an animal, plant, or fungus. Protists most likely originated from a common ancestor, but because other eukaryotes are not present, they do not constitute a natural group, or clade.
When a cell comes into contact with a hypotonic environment, such as pure water, water diffuses into the cell, causing the cell to inflate. Of course, this may cause some type of explosion.
Homeoviscous adaptability refers to an organism's capacity to control the fluidity of its cell membranes by changing the composition of its lipids. Hydrophobic tails interact non-covalently to hold the membrane together as a whole, but the structure is highly flexible and not set permanently in place.
The membranes of protists living in hypertonic habitats would be more permeable to water than those in hypotonic or isotonic habitats, allowing more water to enter the cell. To keep the water inside the cell and prevent it from evaporating quickly, they might possibly build a higher salt content inside the cell. If not for these modifications, the cell would plasmolyze.
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altruistic behavior: a. is behavior that benefits others while causing a disadvantage to the individual. b. occurs only between primates that are not relatives. c. is not a beneficial evolutionary adaptation. d. is not an advantage of competition within a society.
Altruistic behavior is behavior that benefits others while causing a disadvantage to the individual.
What causes altruistic behavior?
The genetics of natural selection and the "selfish gene" theory provides one explanation for altruistic-type behaviors: while a gene cannot be selfish in the human sense, it may appear that way if the sacrifice of benefits is received by related individuals who share identical genes.
Natural selection favors prosocial traits over selfish ones, so altruistic behavior contradicts evolutionary theory. It appears to contradict the principle of profit maximization, posing not only an evolutionary but also an economic paradox.
Therefore, Altruistic behavior is defined as behavior that benefits others while harming the individual.
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what are valid reasons that we will not expand farmland in the future to currently uncultivated regions?
Some valid reasons for not expanding farmland to currently uncultivated regions include:
Uncultivated land is already playing a crucial ecological role in another way, Like Land that is not suitable for cultivation is either barren and desolate land or is land used for non-agricultural purposes like factories, roads, buildings, etc. A lot of uncultivated lands are in areas that are too cold or too steep. Plants grow best when the daytime temperature is about 10 to 15 degrees higher than the nighttime temperature. Under these conditions, plants photosynthesize (build up) and respire (break down) during optimum daytime temperatures and then curtail respiration at night. It costs a lot to fertilize tropical soils, which are infertile.Know more about Uncultivated land here: https://brainly.com/question/23431221
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glucose metabolism is profoundly affected during pregnancy because?
The rising prevalence of gestational diabetes mellitus (GDM), or new-onset hyperglycemia during pregnancy, has been a significant challenge in maternal-fetal medicine over the past few decades.
The fact that hyperglycemia during pregnancy increases the risk of maternal type 2 diabetes (T2D) and predisposes the developing fetus to poor metabolic health later in life serves as an illustration of the significance of studying GDM (2). In this article from Perspectives in Diabetes, we first go over some of the most important features of typical gestational glucose metabolism. Then, we go over fresh discoveries made in recent years as a result of new technologies (genome-wide association studies [GWAS], metabolomics, and gut microbiota investigations). Finally, we highlight the new directions that these investigations have revealed and put these findings in the context of the state of the field today.
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If a drug that inhibited transport from the trans face of the golgi was applied to plant cells, which stage of the cell cycle would be directly affected?.
The stage of the cell cycle that would be directly affected if a drug that inhibited transport from the trans face of the Golgi was applied to plant cells is known as Cytokinesis.
What is the Cell cycle?The cell cycle may be defined as the entire sequence of events happening from the termination of one nuclear division to the initiation of the next in a series of steps.
Cytokinesis is one of the processes of the cell cycle that significantly involves the division of cytoplasm after the division of the nucleus and genetic material.
This stage of the cell cycle would be directly affected because during telophase the separation of duplicate genetic material is carried within the nucleus of the parental cell.
Therefore, cytokinesis is the stage of the cell cycle that would be directly affected if a drug that inhibited transport from the trans face of the Golgi was applied to plant cells.
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Which evidence suggests that early earth was subject to frequent impacts from asteroids and meteoroids?
O Iridium is common in asteroids and is widespread in older rock layers.
O Ancient rock layers are thinner than more recent layers due to bombardment.
O There are many records of mass extinctions in early rock layers.
O Iridium is rare in older rock layers and more common in younger ones.
Evidence suggests that the early earth was vulnerable to numerous collisions from the asteroids and meteoroids due to the ancient rock strata which are thinner than the more recent layers. Thus, the correct answer is B.
How the old rock layers come formed?
When the particles from air or water settle down, layered rocks are formed. This process took a long time. Steno's Law of Original Horizontality suggests that the most sediments were initially deposited horizontally on Earth after being generated from particles. However, the majority of stratified rocks are no longer horizontal.
Therefore, the correct option is B.
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2. sustainable development provides for human needs while still preserving ecosystem services. do you think hydroelectric power, an important renewable source of electricity world-wide, meets these criteria?
Yes, hydroelectric power, an important renewable source of electricity world-wide a suitable development for human needs.
The world's biggest renewable electricity, hydropower is part of the answer to weather trade. With its pollutants-unfastened electricity, hydropower projects are offering a pathway to a sustainable destiny.
Hydropower, or hydroelectric electricity, is one of the oldest and biggest sources of renewable strength, which uses the natural glide of shifting water to generate energy. Hydropower presently debts for 31.five% of the general U.S. renewable electricity era and about 6.3% of total U.S. strength technology.
Because hydropower plants can generate power for the grid right now, they provide essential backup energy in the course of principal strength outages or disruptions. Hydropower presents advantages over electricity generation through providing flood management, irrigation aid, and clean consuming water.
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Photosynthesis is essential for and takes place in
Answer:
Photosynthesis is essential for autotrophs and occur in the chloroplast.
the type of antibiotic resistance that is due to a change in the genome of a bacterium that converts it from a sensitive cell to a resistant cell is called
The type of antibiotic resistance that is due to a change in the genome of a bacterium that converts it from a sensitive cell to a resistant cell is called Biological Mutations.
What do genetic changes in humans mean?A genetic mutation is a change in a gene's DNA sequence that results in the production of a different organism. It alters the DNA sequence of that gene in a way that is irreversible. For humans to evolve—a process of development over many generations—genetic variety is crucial. One person experiences a sporadic genetic mutation.
Hemophilia, sickle cell disease, and cystic fibrosis are examples of hereditary mutations. During a person's lifetime, further mutations may occur on their own. The terms sporadic, spontaneous, or novel mutations are used to describe them. Only certain cells are impacted.
We are collections of adaptations, like all living things, and each one serves a specific purpose. However, the purpose of reproduction has always been the subordinate objective under selection.
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The molecule which is attached to an amino acid and has an anticodon that can base pair with a codon is called.
Answer:tRNA
Explanation:
Which of the following is an example of hypothesis-driven science?
a. observing the activities of a pride of lions
b. testing whether or not dead batteries are preventing a TV remote from working
c. sequencing the human genome
d. surveying the distribution of various majors at your school
The correct example of hypothesis-driven science is testing whether or not dead batteries are preventing a TV remote from working.
In hypothesis-driven science, people come up with certain situations or hypotheses that would describe a certain phenomenon that will or has already occurred. These hypotheses are based on real-life studies or investigations or through research from already existing sources and references that are closely related to the situation or phenomenon.
The conditions that an experiment should satisfy for it to be a hypothesis-driven science experiment are
1. It should not be a discovery or descriptive study.
2. It should be an original, real, or existing phenomenon or condition.
3. It should not be too general or on a global scale.
4. It should not be too complex for the researchers.
5. It should not misdirect the researchers in any way.
From the examples given, the only example that satisfies the above guidelines is option b. testing whether or not dead batteries are preventing a TV remote from working.
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How might energy and matter leave the ecosystem shown in the picture above?
Dead producers and consumers, and their waste, provide matter and energy to decomposers.
Decomposers turn substances back into inorganic forms that can be recycled within ecosystems. The energy that enters the ecosystem as sunlight eventually leaves the ecosystem in the form of heat. Energy is transferred between organisms in the food web, from producer to consumer.
Energy is used by living things to perform complex tasks. Most of the energy present in the food web comes from the sun and is converted into chemical energy through the process of photosynthesis in plants. The main difference between energy flow and the material cycle is that energy flow refers to the transfer of energy from one trophic level of the food chain to the next, while the material cycle refers to the movement of energy between living and non-living parts of an ecosystem. to indicate the flow or circulation of elements.
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Which pair of structures would provide a positive identification of an animal cell under a microscope?
cell wall, chromatin
lysosome, flagellum
plasma membrane, endoplasmic reticulum
Golgi apparatus, mitochondrion
PLEASE HELP IM ALREADY OVERDUE
The presence of plasma membrane, endoplasmic reticulum, Golgi apparatus, mitochondrion, lysosome, flagellum would provide a positive identification of an animal cell under a microscope.
Cell Organelle- An organelle is indeed a subcellular structure that, like an organ in the body, has one or more specific tasks to carry out within the cell. The nucleus, which house genetic material, mitochondria, which generate chemical energy, ribosomes, which put together proteins, and many others, such as the cellular membranes, endoplasmic reticulum, Golgi complex, lysosome, and flagellum, are among the more significant cell organelles.
Microscope- The microscope is a tool that can be employed to examine cells and other tiny objects. By at least single lens in the microscope, an object's picture is enlarged. Because of the way this lens bends light, an object appears larger than it is.
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If you performed the fermentation experiment with starch and the result was a low rate of fermentation, what could you do to increase the reaction rate?.
If you performed the fermentation experiment with starch and the result was a low rate of fermentation. An increase in enzyme or substrate concentration will interfere with the reaction. It Increases the amount of reaction.
What is fermentation reaction?
Through the activity of enzymes, fermentation is a metabolic process that results in chemical changes in organic substrates. It is specifically described in biochemistry as the process of obtaining energy from carbohydrates without the presence of oxygen.
Therefore, An increase in enzyme or substrate concentration will interfere with the reaction. It Increases the amount of reaction.
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Explain the history of maggot therapy, how it was discovered and how it has changed in recent years. Then answer the question; would you opt to use maggot therapy on one of your wounds in the future?
Maggot therapy is the use of green-bottle fly maggots into a wound to remove necrotic tissue. It is now a clinically accepted procedure in countries all over the world.
What is maggot therapy ?Maggot therapy is a sort of biotherapy that involves the injection of live, disinfected maggots into non-healing skin and soft-tissue wounds of a person or other animal in order to clean out necrotic tissue and disinfect the wound. Maggot therapy has been shown to aid in wound healing.
Maggot is a wonderful healing ointment that has been used for generations by battlefield surgeons to repair wounds. In recent years, controlled studies have established efficacy and safety of maggot therapy.
Therefore , yes I would opt to use maggot therapy on one of my wounds in the future.
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what does passive vasodilation arise from? group of answer choices withdrawal of sympathetic influence on blood vessels edhf release from the endothelium local increase in blood pressure local k accumulation in tissue
The typical endothelium secretes prostacyclin (PGI2), endothelial-derived hyperpolarizing factor (EDHF), and nitric oxide (NO) in response to increased flow, which causes vascular smooth muscle cells to relax and cause vasodilation.
Which blood arteries are affected by endothelial cell contraction?A study of the embryo also indicates that endothelial cells alone form the basal lamina of the smallest blood vessels, from which arteries and veins emerge. Pericytes, connective tissue, and smooth muscle are added later, as needed, in response to signals from the endothelial cells.
A fall in blood pressure is brought on by the vasodilation, which increases blood flow and decreases systemic vascular resistance (SVR).
The endothelium is an essential metabolizing and endocrine organ that plays a significant role in the regulation of immunology, inflammation, and angiogenesis, as well as the control of blood fluidity, platelet aggregation, and vascular tone.
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How would you describe an ecosystem?
What is an example of an ecosystem? (Explain some interactions in the ecosystem)
How big are ecosystems?
What kinds of resources do you think plants and animals need?
What are examples of nonliving things that ecosystems need?
In what ways do plants and animals interact within ecosystems?
How are food webs used to help explain ecosystem interactions?
How does the lizard-and-cricket example explain competition in an ecosystem?
Explain how an environmental factor might affect an ecosystem
Explain how genetic factors play a role in the survival of a population
Give an example of how a plant would need to compete for resources.
Explain how an invasive species could change an ecosystem. (Could be beneficial or harmful)
An ecosystem is a geographic area where plants, animals, and other organisms work together to form life.
Ecosystems have no specific size.
Plants and animals need good environment, sunlight, temperature, plants, animals, light, soil and water for the survival and growth.
All living things need non-living things for growth and survive.
Animals are consumers and depend on plants for growth and survival.
Food webs can be used to study control of community structure.
Lizard and cricket compete with each other in an ecosystem because of limited food.
The environmental factor that affect an ecosystem such as light, radiation, temperature, water, chemicals, wind and soil.
Genetic variations that change gene activity of different traits in an organism.
Plants compete for nutrients.
Invasive species are capable of removing or extinctions of native plants and animals.
Describe an ecosystem?An ecosystem is a geographic area where plants, animals, and other organisms work together to form life. Ecosystems comprise of biotic and abiotic factors. Biotic factors include plants, animals, and other living organisms.
Ecosystems have no specific size. An ecosystem can be as large as a desert or as small as a tree. The major parts of an ecosystem are water, temperature, plants, animals, light and soil.
Plants and animals need good environment, sunlight, temperature, plants, animals, light, soil and water for the survival and growth.
The non-living parts of the ecosystem is known as abiotic factors. All living things need non-living things for growth and survive. Abiotic factors are water, minerals, sunlight, air, climate, and soil.
Animals are consumers and depend on plants for growth and survival. Some eat plants directly, while on the other hand, other organisms eat herbivores. Some plants depend on animals in order to spread their seed.
Food webs can be used to study control of community structure. Food webs shows energy flow from primary producers to herbivores and from herbivores to carnivores.
Lizard and cricket compete with each other in an ecosystem because both feed on the same food and when the food is limited, the population of both organisms decreases.
The environmental factor that affect an ecosystem such as light, radiation, temperature, water, chemicals, wind and soil. In many environments, such as marine environments, pressure and sound can be important abiotic components.
Genetic variations that change gene activity of different traits in an organism. If a trait is beneficial and helps the individual survive and reproduce, the genetic variation is passed to the next generation.
Plants compete for nutrients. The nutrient supplies from the surrounding environment which requires maximizing root length.
Invasive species are capable of removing or extinctions of native plants and animals. It also reduces biodiversity, competing with native organisms for limited resources, and capture their habitats in the environment.
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The light reactions require the cooperation of two photosystems to power linear electron flow from water to nadp .
a. True
b. False
The light reactions require the cooperation of two photosystems to power linear electron flow from water to NADP. The statement is True.
ONLY PHOTOSYSTEM 2:
-water oxidation
-shortening of the electron transport chain between the two photosystems
ONLY PHOTOSYSTEM 1:
-NADP+ decrease
-oxidation of the electron transport chain connecting the two photosystems
BOTH THE PS2 AND THE PS1:
-absorption of light
-decrease in primary electron acceptor
[The primary job of each photosystem is to absorb light and convert the absorbed light's energy into redox energy, which drives electron transport.
- P680 is oxidized (which oxidizes water) in PS II (the first photosystem in the sequence), and the PS II primary electron acceptor is reduced (which in turn reduces the electron transport chain between the photosystems).
-The PS I primary electron acceptor is reduced (which in turn reduces other molecules, finally reducing NADP+ to NADPH), while P700 is oxidized (which oxidizes the electron transport chain between the photosystems)].
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How do humans inetervene in the water cycle?
The water cycle explains how water vapor from the earth's surface rises into the atmosphere, cools and condenses to form rain or snow in clouds, and then falls back to the earth's surface as precipitation.
What is water cycle?Water that rains on land gathers in lakes, rivers, soil, and porous rock strata. A large portion of this water then flows back into the oceans, where it will again evaporate. An important factor in Earth's weather patterns is the movement of water in and out of the atmosphere.
The water cycle on Earth is made up of precipitation, which connects the ocean, land, and atmosphere. Scientists can better understand the effects of precipitation on streams, rivers, surface runoff, and groundwater by knowing where it rains, how much it rains, and the characteristics of the falling rain, snow, or hail.
Therefore, The water cycle explains how water vapor from the earth's surface rises into the atmosphere, cools and condenses to form rain or snow in clouds, and then falls back to the earth's surface as precipitation.
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In some reactions the end product can act as an inhibitor to an early enzyme in the same pathway. True or false.
False, In some reactions the end product cannot act as an inhibitor to an early enzyme in the same pathway.
Feedback inhibition is the mechanism in which end product of one reaction is substrate for the next reaction . Feed back regulation is mostly brought by allosteric modulator . First steps in metabolic pathways are catalyzed by allosteric enzymes whose catalysis rate can be increased with the help of positive modulators and decreased with the help of negative modulators.
Feedback inhibition is usually guided at the first or first few reactions in the pathway it is suitable for conserving cellular materials. So, when end product is not required the metabolic pathway is blocked at the initial stages itself.
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