Biological recognition is important in processes at the molecular, cellular, and organismal levels In the synapse, neurotransmitters are recognized. When a nerve action potential causes the release of neurotransmitters with synaptic vesicles from a neuron's axon, the receiving nerve's dendrites will detect these neurotransmitters and set off particular reactions (i.e. excitatory or inhibitory).
For instance, the release of GABA will result in an inhibitory response while the release of glutamate will cause an excitatory response (depolarization) (hyperpolarization).
Particular hormones have an effect on target cells. Endocrine substances known as hormones cause certain cellular processes including the intake of glucose, the release and absorption of urine, etc. Specific hormone receptors, such as insulin receptors, cytoplasmic receptors, such as the thyroid hormone receptor, and nuclear receptors are the three types of receptors that hormones bind to. All of which will eventually start a chain reaction that will result in new protein synthesis. For instance, when insulin binds to insulin receptors in muscle cells, the synthesis of glucose channels is induced, making it easier for glucose to be absorbed neurotransmitters .
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Why do eukaryotic cells require a nucleus as a separate compartment when prokaryotic cells can manage perfectly well without?
The expression of genes in eukaryotes is more complex than that of prokaryotes. Simple differences exist between prokaryotic and eukaryotic cells.
A nuclear membrane and other membrane-bound organelles that carry out particular tasks for the cell are found around the nucleus of eukaryotic cells. These membranes combine to form the endomembrane system, which in eukaryotic organisms develops several specialized chambers capable of carrying out a variety of tasks. Prokaryotic cells, on the other hand, only have the cellular membrane, with no other membranes extending inside the cell.
Prokaryotic cells nonetheless have an amazing potential for reproduction despite this modest decrease in efficiency. The process of binary fission, which divides duplicated DNA into distinct cells, is how prokaryotes reproduce.
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Why do nerve cells not undergo mitosis?; Does nerve cell undergo mitosis?; Which cells in the human body rarely undergo cell division?; Do neurons in adults do not undergo mitosis?
Because neurons—also known as nerve cells—are highly specialized in their function, they do not undergo cell division. This is similar to cardiac muscle cells.
Are nerves capable of mitosis?Neurons. By transmitting nerve impulses, neurons, also known as nerve cells, perform the duties of the nervous system. They are really skilled and amitic. Because neurons can not undergo mitosis, once a neuron is destroyed, it cannot be replaced.
Why do nerve cells undergo mitosis?The creation, reproduction, and eventual demise of a biological cell are all represented by the neuronal cell cycle. Mitosis is the name given to the process by which cells divide into two daughter cells. Once created, these cells move into the G1 phase, where many of the proteins required for DNA replication are produced.
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describe the problem-solving strategy you would use to determine which of the following molecules would be found in high concentrations in fat tissue of an organism.
Like disintegrates like. It will be kept in fat if it dissolves in fat. (soluble in nonpolar and lipids substances). Nonpolar solvents, like fatty tissue, are soluble in nonpolar solvents, which is also true of fat-soluble vitamins.
What types of molecules are present in the body's fat reserves?Triacylglycerols, or triglycerides, are another name for fat molecules. Triglycerides are typically stored in specialized fat cells in the human body called adipocytes, which are part of a tissue called adipose tissue. Superscript numbers start at 1 and end at 1.
What three substances are present in fat?Similar to carbohydrates, fats and oils are organic substances made of molecules of the elements carbon (C), hydrogen (H), and oxygen (O).
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A virus mutates, and therefore it has which of the following traits of living things?
Viruses are contagious organisms that exhibit both living and nonliving traits. The ability to replicate and mutation are two aspects of life that viruses possess, but only in living host cells.
A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Our cells are constantly undergoing mutations, yet very few of these have any negative effects on our health. Compared to what we typically see in science fiction movies, this is completely different.
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ap biology adapted from l. miriello by s. sharp compare and contrast asexual and sexual reproduction
Offspring produced by asexual reproduction are genetically identical to either of their parents.
Two parents contribute genetic material during sexual reproduction to create unique offspring. There are benefits and drawbacks to both sexual and asexual reproduction, which is why some creatures use both.
Sexual reproduction requires both a male and a female organism, as opposed to asexual reproduction, which only involves one organism. Asexual reproduction is used by several unicellular organisms and plants. Fish and most other animals reproduce sexually.
Some creatures, like corals and komodo dragons, have sexual and asexual modes of reproduction. However, as they do not benefit from the genetic variety brought about by sexual reproduction over the long term (over several generations), their capacity to adapt to their environment is compromised.
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no energy system can produce some useful energy in excess of the total energy put into the energy put into constructing it
"Primary energy" is the term used to describe energy in its unprocessed state, before it has been transformed by people into other types of energy like electricity, heat, or fuels for vehicles.
What serves as the systems' main energy source?For creatures and the ecosystems they are a part of, the Sun is the main source of energy. Producers like plants and algae use the energy from sunlight to create organic matter, which they then combine with carbon dioxide to produce food energy.
Exists a form of energy that has no negative effects on the environment?Since wind energy doesn't emit any greenhouse gases or harmful pollution, it is one of the greenest and most sustainable ways to produce electricity.
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a client is taking selfie ssulfisoxazole for a urinary tract infection and complain of nausea and gastric upset.
Infections can be treated or prevented in many different parts of the body with the help of sulfasalazine. It is a member of the sulfonamide antibiotics class of drugs. By limiting the development of bacteria, it functions.
An antibacterial sulfonamide with a dimethyl-isoxazole substituent is sulfasalazine (INN, also known as sulfasalazine). It has antibiotic properties that can kill both Gram-positive and Gram-negative organisms. It is occasionally administered along with erythromycin or phenazopyridine (see erythromycin/Sulfafurazole). Locally, it is applied as an ointment or 4% solution. Sulfisoxazole is an oxazole-substituted sulfonamide antibacterial. It is antibiotic against a variety of gram-positive and gram-negative organisms. It functions as a drug allergen as well as an antibacterial. It is an isoxazole and a sulfonamide.
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for which of these conditions or procedures there may be an increased number of megakaryocytes in the bone marrow, but a decreased number of circulating platelets?
A folic acid shortage may result in a rise in megakaryocytes in the blood cells but a fall in platelets in circulation.
Why are there more megakaryocytes?A clear pathogenetic link between the spleen and the illness can be inferred from the results of enlarged megakaryocytes and significantly reduced platelet synthesis in the marrow before to splenectomy as well as the startling rise in platelet production following splenectomy.
Briefing:Megaloblastic anemias brought on by biotin or vitamin B12 depletion frequently accompany pancytopenia. Thrombocytopoiesis does not work. Megakaryocyte counts in the marrow will be normal or even higher, but there will be fewer neutrophils reaching the venous return.
Megakaryocytes in the bone marrow are less common in aplastic anemia, which lowers the quantity of circulating platelets.
Radiation therapy results in hypoplasia of the bone marrow, which affects all cell types.
Massive blood transfusions may also result in a brief anemia, but the number of megakaryocytes in the marrow won't grow.
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The complete question is-
With which of these conditions or procedures may there be an increased number of megakaryocytes in the bone marrow, but a decreased number of circulating platelets?
A. Folic acid deficiency
B. Aplastic anemia
C. Radiation therapy
D. Massive blood transfusion
looking at the results from a cross between two red kernel plants, how did nilsson-ehle determine that the environment did not play a significant role in wheat kernel color? please choose the correct answer from the following choices, and then select the submit answer button. answer choices there were too many genotypes. the same genotype did not give rise to different phenotypes. there were too many phenotypes. as dose of pigment increased, the phenotype got darker.
The same genotype did not give rise to different phenotypes.
The environment can be defined as the totality of all biotic and abiotic factors and their influences that affect human life. All living or biotic elements are animals, plants, forests, fisheries, and birds, while abiotic or abiotic elements include water, land, sunlight, rocks, and air. There are three types of.
The biological components of the atmosphere or air, the lithosphere or rocks and soil, the hydrosphere or water, and the environment or biosphere are the four basic elements of the environment. The environment for humans is the natural world, including the atmosphere, land, vegetation, seas, rivers, and lakes. Simply put, the term refers to the entire physical environment of the Earth.
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this muscle group would primarily originate on the pectoral girdle and humerus and insert on the radius, ulna, and/or carpals. this muscle group would primarily originate on the pectoral girdle and humerus and insert on the radius, ulna, and/or carpals. muscles that move the arm muscles that position the pectoral girdle muscles that move the forearm and hand extrinsic muscles of the hand and fingers
The muscles that move the forearm and hand muscles that move the forearm and hand. These are appendicular muscles that primarily originate on the pectoral girdle and arm, and insert on the radius, ulna, and/or carpals.
The skeletal muscles are separated into axial (trunk and head muscles) and appendicular (arms and legs muscles) groups. The arrangement of the skeleton's bones, which is likewise reflected in this system, is similar. Axillary muscles are categorised according to their location, function, or both.
Axial and appendicular divisions make up the muscular system. The axial skeleton is held in place and supported by axial muscles. The limbs are supported, moved, and braced by appendicular muscles.
Hence, muscle binds with bone to move body structure.
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Genetics says that children receive genes from each of their parents independently. Each child of a particular pair of parents has a probability 0.25 of having type O blood. Suppose these parents have five children. Let X be the number of children with type O blood. a. Is this experiment a binomial setting? explain b. Find the probability that exactly four of the children have type O blood. c. Find the probability that at least one child has type O blood. d. Find the expected value (the mean) and the standard deviation of random variable x.
This experiment is a binomial setting, Genetics says that children receive genes from each of their parents independently. Each child of a particular pair of parents has a probability 0.25 of having type O blood.
Your chromosomes store your genes, which are the building blocks of your body. This blueprint is present in nearly every cell in the human body and is typically kept in the nucleus, an unique sac located inside the cell. Long strands of a substance called deoxyribonucleic acid make up chromosomes (DNA). A ladder with twists is how a DNA strand looks. Genes resemble a string of letters that has been stretched out on either side. These letters serve as a kind of roadmap. Each gene's letter arrangement contains instructions for making particular chemicals. Even though each gene is present in each cell in two copies, just a portion of these genes need to be active for each cell to perform its particular functions. Genes that are not required are disabled. Sometimes a gene's instructions are thrown off by a change in the gene. Gene alterations can occur naturally or through inheritance (with no known cause). Modifications to the coding that enables a gene to function can cause a variety of diseases.
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The human body is constantly generating new skin (somatic) cells ...
Through a process called mitosis.
What is mitosis?
Mitosis is a type of cell division that results in the production of two identical daughter cells containing the same genetic material as the parent cell. It is an important process for the growth and repair of cells in the body, as well as in the production of gametes during sexual reproduction. During mitosis, the cell's chromosomes are replicated, and then divided in two, so that each daughter cell receives one complete set of chromosomes. This occurs in a series of four distinct phases: prophase, metaphase, anaphase, and telophase. After mitosis, the cell is considered to have undergone a full cell cycle, and is ready to begin the process of mitosis again.
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which of the following is not a symptom? Meningitis, Swelling, Headache, Cough
Meningitis is not a symptom, rather it is a disease, hence option A should be the right answer.
Meningitis is an inflammation of the protective membranes which cover the brain and spinal cord. It is caused due to infected bacteria. When bacteria enters the bloodstream and travels to the brain and spinal cord, it causes bacterial meningitis. Some common symptoms of meningitis are high temperature, cold hands and feet (chills), vomiting, confusion and breathing quickly. Swelling, headache and cough are common symptoms which are seen in most of the bacterial, fungal or viral diseases. It occurs in response to the foreign particles which are acted upon by the white blood cells.
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Which of the following statements is true about alveoli?
Gas exchange occurs in the alveoli, where blood and alveolar air are exchanged for oxygen and carbon dioxide, respectively.
Three things about alveoli?The adult lungs contain 300–500 million alveoli, according to estimates. These air sacs have a film of water lining them to help with gas diffusion within the alveoli. In order to lower the surface tension, a surfactant is created within the alveoli. As a result, when exhaling, the alveoli do not collapse.
Which of the following describes an attribute of alveoli?Each alveolus has very thin walls and is cup-shaped. There are thin-walled blood channel networks called capillaries all around it.
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What has been observed in the study of embryology?; What is the study of the development of embryos in different species?; What might cause the similarities between different species of embryos?; Is the study of embryos to see how their similarities and differences indicate an evolutionary relationship?; How is embryology evidence of evolution?; Why are similar embryos evidence of evolution?
The field of comparative embryology investigates the similarities and differences between the embryos of various species. Common ancestry can be proven by looking at similarities in embryos. For instance, the embryos of all vertebrates have tails and gill openings.
A scientific field called embryology studies the conception, growth, and embryology development of the embryo. It focuses on the prenatal stage of development, which starts with the formation of gametes, fertilization, the formation of zygotes, the development of embryos and fetuses, and the birth of a new human being. Growth and differentiation are the two fundamental mechanisms at play. These cause the development of distinct tissues and organs in the body that are specialised to carry out particular functions. The development of the central nervous system (the brain and spinal cord) and peripheral nervous system (the spinal, cranial, and other nerves) is related to neuroembryology.
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What makes prokaryotes differ from eukaryotes?
Prokaryotes are always single-celled organisms, whereas eukaryotes can have several cells. Additionally, eukaryotic cells are 100 to 10,000 times more complex and vastly larger than bacterial cells.
Why are prokaryotes different from eukaryotes?The absence of any membrane-bound organelles, such as a nucleus, distinguishes prokaryotic cells from eukaryotic cells. Prokaryotic cells only have ribosomes, an exterior plasma membrane, and a DNA nucleoid structure.
What distinguishes prokaryotic and eukaryotic cells most significantly?Organelles that are attached to membranes, like the nucleus, are present in eukaryotic cells but not in prokaryotic ones. The presence of mitochondria and chloroplasts, the cell wall, and the makeup of chromosomal DNA are all differences between prokaryotes and eukaryotes' cellular structures.
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Why are dogs more sensitive to smells than humans because?; Do dogs have a better sense of smell than humans?; Why do animals have a better sense of smell than humans?; How many types of olfactory receptors do dogs have?
Dog noses do more than just sniff the roses. Dogs use their senses of sight and scent to navigate their environment and interact with others, whereas humans rely solely on their eyesight.
Olfactory information is not as time-consuming to interpret as visual information. Dogs are the complete opposite. Dogs are thought to have a sense of smell that is 1,000–10,000 times greater than that of humans. Dogs put a lot of effort into interpreting odors. Compared to 6 million in humans, they have more than 100 million olfactory receptor sites in the nasal cavity, and the canine brain's olfactory cortex is around 40 times bigger than the same region in the human brain.
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label the structures of a motor (multipolar) neuron by clicking and dragging the labels to the correct location.
A multipolar neuron is a type of neuron that has many dendrites (and dendritic branches) in addition to a single axon, allowing it to integrate a significant amount of information from other neurons. These activities are outgrowths of the neuron cell body.
A multipolar neuron is a type of neuron that has numerous dendrites (and dendritic branches) in addition to a single axon, allowing it to integrate a significant amount of information from other neurons. These activities are outgrowths of the neuron cell body. The bulk of the neurons in the central nervous system are multipolar. The cortex of the brain and the spinal cord are where they are most frequently found, along with motor neurons and interneurons/relaying neurons. Multipolar neurons can be found in the autonomic ganglia in the periphery.
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MPF is a dimer consisting of _____.A) a growth factor and mitotic factorB) ATP synthetase and a proteaseC) cyclin and tubulinD) cyclin and a cyclin-dependent kinase
MPF is a dimer consisting of growth factor A and mitotic factor B ATP from BIOL 101 at Fraser University growth factor and mitotic factor synthetase.
What about a cyclin and cyclin tubulin protease and a cyclin-dependent kinase? blakemicah2855 is waiting for your help. MPF stands for Maturation Promoting Factor. It is a protein complex that activates the targets necessary to push the cell through the cell cycle. What are the three parts of the maturation promoting factor? During mitosis, the MPF is turned off. During anaphase, active MPF activates another APC protein complex. APC causes the M cyclins to be destroyed, which inactivates MPF and allows the new daughter cells to exit mitosis towards G1.
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envrionmental influences can determingwether a gene is expressed for some people that will be decisive in whether they develope a psychological disorder. this best illustrates the need for
The environmental influences on gene expression best illustrates the need for research on epigenetics.
Genes have very prominent role in diseases which are affected by environmental factors. People suffer from anxiety and depression due to gene mutation, however such conditions are rare. Scientists are researching on the potential conditions which affect gene. Epigenetics is the field of scientific research which correlates the the behaviors and the environmental conditions which prominently describes the gene expression. However, epigenetic changes are reversible in nature and they do not change the DNA sequence in the body as it occurs during mutations due to radio waves which encounters the body. Epigenetic changes are modifications to DNA that regulate whether genes are turned on or off.
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Describe positive acceleration vs. negative acceleration.
Negative acceleration occurs when a force causes a body's velocity to decrease. Positive acceleration occurs when the speed of something rises.
What is difference between positive and negative acceleration?Acceleration is the rate at which the speed and direction of a moving object vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates.When the car accelerates positively, its speed rises. As the car slows down, its speed decreases. When an object accelerates in the same direction as its velocity, it is doing so in that same direction. This object is therefore travelling at a positive pace.Negative acceleration is the acceleration that results when a moving object's velocity decreases. When a body's velocity is decreasing, it typically experiences negative acceleration. Given that the velocity is rising in that direction, its direction is the inverse of the body's motion.To learn more about Acceleration refer :
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According to the biogeochemical cycle shown below, which of the following processes can move carbon from the abiotic reservoir to the biotic reservoir?A. Animals eating plantsB. Photosynthesis by plantsC. Decomposers breaking down dead organismsD. Erupting volcanoes
Through photosynthesis, plants release carbon into the biotic reserve. In the biotic reservoir, carbon travels up the food chain. Carbon returns to the abiotic reservoir via respiration, death, and excretion.
The carbon cycle outlines the cycling of carbon between Earth's abiotic and biotic reserves. Photosynthesis is the main process that transfers carbon from abiotic reserves to living organisms. The principal method by which carbon is moved from living things back to abiotic reservoirs is cellular respiration.
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the first signs of adhd may be evident as early as infancy, but the condition is not usually diagnosed until? A. Elementary school, B. Early adolescence, C. Age 4., D. Age 2.
The correct option is A. Elementary school. The condition of ADHD is not diagnosed until the child is in elementary school.
ADHD is Attention-deficit/hyperactivity disorder, common neurodevelopmental disorders in children. It can be first diagnosed in infancy and frequently continues into adulthood. It is difficult for children with ADHD to focus, control impulsive conduct , or control their level of activity. There are three ways that ADHD can show up in a person, depending on which symptoms are most noticeable in that individual. When someone has a presentation that is mostly inattentive, it might be challenging for them to plan or finish a task, pay attention to details, or follow instructions or dialogues. The person is easily distracted or fails to notice little details in regular tasks. The individual is constantly fidgeting and chatting, and their presentation is primarily hyperactive-impulsive. It's hard to sit still for a long time (e.g., for a meal or while doing homework). Younger kids might constantly run, jump, or climb. The individual displays symptoms that fit into both of the aforementioned categories in a combined presentation.
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explain how the data supports your hypothesis if needed you can change your poison selection
The alternative hypothesis states that there is a relationship between the two variables being studied (one variable has an effect on the other).
Does the evidence back up the claim?Data and observations are always packed with hypotheses or theories. Without a hypothesis theory, data is meaningless.
What should you do if the evidence contradicts your hypothesis?If your hypothesis is not confirmed by the experiment's findings, you should re-examine the data to see why your findings contradicted your hypothesis. In order for the outcomes to support your hypothesis, you shouldn't change the observations or experiment. You will perform better on tests if you sleep for at least 6 hours than if you don't. A dropped ball will move in the direction of the ground.
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T/F: For Metabolic Syndrome, the increase in insulin resistance happens simultaneously with both the increase in secretion of insulin and the elevation of fasting plasma glucose.
The statement is False, For Metabolic Syndrome, the increase in insulin resistance happens simultaneously with both the increase in secretion of insulin and the elevation of fasting plasma glucose.
A group of risk factors that are particularly related to cardiovascular disease are referred to as the "metabolic syndrome." The chance of getting diabetes, heart disease, stroke, or any combination of the three is significantly increased by metabolic syndrome. The National Heart, Lung, and Blood Institute (NHLBI) believes the following metabolic variables are at play:
• Abdominal fat accumulation. To be eligible, a person's waist circumference must be greater than 40 inches for men and 35 inches for women. The type of obesity with a higher waist circumference is the one that is most closely associated with metabolic syndrome..
• Having a value of 130/80 mm Hg or higher for high blood pressure. The top number, or systolic blood pressure, must be under 120 mm Hg, and the bottom number, or diastolic blood pressure, must be under 80 mm Hg (the bottom number). Blood pressure issues and obesity are directly associated. It's common in people with insulin resistance.
• Lower fasting blood sugar levels. A value of at least 100 mg/dL is indicated by this.
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A student made a model of an ecosystem in an aquarium. The student used potting soil to represent land, water to represent a pond, and a lamp to represent the Sun. One limitation of the model is that it does not represent how living things interact with the nonliving parts of an ecosystem. Which way of refining the model would best address this limitation? OD. Putting a timer on the lamp so that it turns off at night OC. Adding a water pump that can circulate the water OB. Placing some aquatic plants in the wa
The way of refining the model would best address this limitation is Putting a timer on the lamp so that it turns off at night
What is meant by Ecosystem ?An ecosystem is a place where plants, animals, and other organisms interact with the environment, weather, and other variables to form a bubble of life. In ecosystems, biotic and abiotic factors—or nonliving components—coexist.
In ecology, an ecosystem is a structural and functional unit where living things interact with one another and their surroundings. An ecosystem, then, is a series of interactions between species and their surroundings.
A community of living things (plants, animals, and bacteria) in a specific location is called an ecosystem. Eco refers to a region of the planet, while system refers to the organizing elements.
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Answer:
ITS THE ONE WITH THE PLANTS YALL I JUST DID IT ON AIPEX
Explanation:
What is the importance of good nutrition?
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～Importance of good nutrition —
Proper nutrition aids brain development.They are the main source of energy for the body.They help in building and repairing body tissues.Increases the absorption of fat-soluble vitamins.Reduce the risk of some diseases, including heart disease, diabetes, stroke, some cancers, and osteoporosis.Reduce high blood pressure.Lower high cholesterol.Supports healthy pregnancies and breastfeeding.Helps the digestive system function.Boosts immunity.
Explanation:
Hope it helps you!!Good nutrition can help: Reduce the risk of some diseases, including heart disease, diabetes, stroke, some cancers, and osteoporosis. Reduce high blood pressure. Lower high cholesterol.
Explanation:
Hope it helps !The hypothalamus and core thermoreceptors notice if body temp too low. The hypothalamus signals smooth muscle in blood vessels to vasoconstrict and skeletal muscle to shiver. This activity causes body temp to rise, which is again noticed by hypothalamus & core thermoreceptors, so the hypothalamus turns off these heat gain mechanisms. In this scenario, which of the following state-ments is correct?
A. The scenario describes positive feedback in action.
B. The core thermoreceptors are the effector organs.
C. The hypothalamus is the control centre.
D. Skeletal muscle is the efferent pathway to the effector organ.
Answer is C: The hypothalamus interprets the sensory input and determines the response. Choice A is wrong as this is negative feedback. The effector organs are the skeletal muscles (which are not a "pathway").
The control center is the hypothalamus. When body temperature is too low, the hypothalamus and core thermoreceptors detect it.
Which of the following describes a body's negative feedback reaction to hyperthermia?The body has a negative feedback system that regulates body temperature. Shivering or sweating in reaction to an increase or decrease in body temperature will undo the effect of the change.
How does feedback fit into thermoregulation?A prime example of negative feedback is thermoregulation. The thermostatic master switch that controls the body's core temperature is located in the brain's hypothalamus. The hypothalamus can start a number of actions to reduce the temperature if it is too high.
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match the terms (1) active site, (2) lock-and-key model, and (3) induced-fit model with each of the following: a. the portion of an enzyme where catalytic activity occurs b. an active site that adapts to the shape of a substrate c. an active site that has a rigid shape
(1) An enzyme's active site is the region where catalytic action takes place, i.e. (a). A substrate's shape can be accommodated by an active site in the lock-and-key paradigm (paragraph 2)). (3) An active site with a hard form is called induced-fit (c).
The area of an enzyme that directly binds to a substrate and catalyzes a reaction is known as the active site. It has amino acid catalytic groups, which help with bond formation and breakdown. One of the two models that explain the interaction between enzymes and substrates is the lock and key model, often known as Fisher's theory. The lock and key hypothesis counts on the equal shapes of the substrate and the enzyme's active site.
The active site of the enzyme is assumed to be properly sized for the substrate. The term "induced fit" describes how an enzyme's conformation and shape continuously change in response to substrate interaction. As a result, the activation energy barrier is lowered, allowing an increase in the reaction's overall rate. This turns the enzyme catalytic. According to the "lock-and-key" concept of enzyme-substrate interaction, the enzyme and the substrate have distinct complimentary geometric geometries that perfectly fit one another. Enzymes are extremely specialized. Before they can catalyze a chemical process, they first need to bind to a particular substrate.
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when the cells of the blastocyst divide into two groups about 15 days after conception one group includes___ and the other group forms an
About 15 days following conception, the cells of a blastocyst split into two groups, one of which contains the early embryonic cells while the other which creates an environment that will protect & nourish the embryo.
It splits into two cells after around 30 hours. The two embryonic cells split into four after around 15 hours. And after three days, this fertilized egg cell had developed into a 16-cell berry-like structure. The Latin word for mulberry, morula, is used to describe this building. The zygote grows by mitosis, and once it has condensed into an 8–16 cell ball, it is known as that of the morula. A ball of cells known as a blastocyst develops in the first five to six days of pregnancy, shortly after one sperm fertilizes an egg. It embeds itself in the uterine wall, developing into an embryo and subsequently a fetus.
(When the cells of the blastocyst divide into two groups, about 15 days after conception, one group includes _____ and the other group forms an environment to protect and nourish the embryo.)
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