Explain the purpose for why lactate is produced in exercising muscle rather than increasing the rate...
Explain the purpose for why lactate is produced in exercising muscle rather than increasing the rate of shuttling of pyruvate into the mitochondria for oxidative phosphorilation?
Homework Answers
Answer:
Intense exercising cause anaerobic conditions in muscles. In the absence of Oxygen- the terminal acceptor of electron ATP's cannot be generated through electron transport chain. hence muscles switch to lactate fermentation to keep glycolysis running and to generate ATP by substrate-level phosphorylation.
NAD+ is essential for glycolysis, in the absence of oxygen, lactate fermentation sets in. The NADH formed is oxidized back to form NAD+ to keep the glycolysis under anaerobic conditions.
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Explain the purpose for why lactate is produced in
exercising muscle rather than increasing the rate...
help will like and friend too its timed please Lactate produced by muscle cells Question 11...
help will like and friend too its timed please
Lactate produced by muscle cells Question 11 Not yet answered Points out of 2.00 P Flag question Select one: O a. can be exported into the bloodstream and use by other cells. O b. is always broken sown to yield ATP within the muscle cell that produced it. O c. is produced only during very intense exercise. O d. is always used to produce glucose by gluconeogenesis in the cell that...
Explain why the marginal tax rate, rather than the average tax rate, is used when computing...
Explain why the marginal tax rate, rather than the average tax rate, is used when computing the cash flows from a proposed new project.
When measuring exercising energy expenditure via indirect calorimetry, it is important that the exercise be primarily...
When measuring exercising energy expenditure via indirect calorimetry, it is important that the exercise be primarily aerobic for the most accurate results. Why is this? Lactate can be produced during both anaerobic exercise and aerobic exercise. Explain how this is possible. What are some factors that contribute to the production and accumulation of lactate during aerobic exercise? The rate of glycogen depletion is positively correlated with exercise intensity. Why is this?
help 19) Why would increasing the workload on the heart lead to hypertrophy rather than hyperplasia...
help
19) Why would increasing the workload on the heart lead to hypertrophy rather than hyperplasia of the myocardium? a) The vast majority of the functional cardiac muscle cells are labile cells. b) Hyperplasia is a type of adaptation in response to physiological stimuli while hypertrophy is always in response to pathological conditions. c) Contractile cardiac muscle cells are terminally differentiated cells, also called permanent cells that can no longer undergo mitosis. d) The vast majority of the contractile cardiac...
Part A Explain why glucose consumption must increase in hypoxic tissues to provide the same amount...
Part A Explain why glucose consumption must increase in hypoxic tissues to provide the same amount of ATP that could be produced from glucose in normoxic (normal O, levels) tissues. et the eprivation mple, in for over reased the tect Jucible factor glycolytic alytic e starved reasing Bases. In hypox tissues, in contrast to normoxic tissues, ATP is additionally consumed to transform lactate to pyruvate Additional glucose is consumed by hipoxic tissues to be metabolized through the glyoxylate pathway In...
please explain answer Regulation of Lactate dehydrogenase (same enzyme described above). Lactose dehydrogenase (LDH...
please explain answer
Regulation of Lactate dehydrogenase (same enzyme described above). Lactose dehydrogenase (LDH) is a tetramer that can be regulated in several different ways. The crystal structure of the four subunits of lactate dehydrogenase is shown below. In the heart, lactose has a higher affinity for pyruvate than in the skeletal muscle. Analysis of LDH has identified that it is a substrate of FGFR tyrosine kinase, which results in an increase in the production of lactate. Some types of...
3. Muscles respond to strength training with hypertrophy. Hypertrophy occurs by a) increasing the number of...
3. Muscles respond to strength training with hypertrophy. Hypertrophy occurs by a) increasing the number of muscle fibers in the skeletal muscle. b) increasing the diameter of each fiber by adding more myofibrils. c) adding more mitochondria and myoglobin to each fiber. 4. Endurance training (such as training to run a 10k race) aims to increase the % of ATP generated from aerobic respiration during times of intense exercise. Which fiber type is primarily recruited for this type of endurance...
2. Why does increasing the amount of substrate increase the amount of color produced in the...
2. Why does increasing the amount of substrate increase the
amount of color produced in the test tubes?
ght questions: etermina un in the 1. In Activity 1, what is the purpose of the test tube containing only w test tube containing only water and substrate? 2. Why does increasing the amount of substrate increase the amount of con strate increase the amount of color produced in the test tubes? 3. If you were to look at the three test...
Please explain this mechanism and why the ester is used as the electrophile rather than the...
Please explain this mechanism
and why the ester is used as the electrophile rather than the
ketone.
+ = 0 1) NaOCHZ CH2OH 2) H3O+ workup
Explain what is a ceiling jet and why there are two formulae for Ujet rather than...
Explain what is a ceiling jet and why there are two formulae for Ujet rather than one.
help will like and friend too its timed please
Lactate produced by muscle cells Question 11 Not yet answered Points out of 2.00 P Flag question Select one: O a. can be exported into the bloodstream and use by other cells. O b. is always broken sown to yield ATP within the muscle cell that produced it. O c. is produced only during very intense exercise. O d. is always used to produce glucose by gluconeogenesis in the cell that...
help
19) Why would increasing the workload on the heart lead to hypertrophy rather than hyperplasia of the myocardium? a) The vast majority of the functional cardiac muscle cells are labile cells. b) Hyperplasia is a type of adaptation in response to physiological stimuli while hypertrophy is always in response to pathological conditions. c) Contractile cardiac muscle cells are terminally differentiated cells, also called permanent cells that can no longer undergo mitosis. d) The vast majority of the contractile cardiac...
Part A Explain why glucose consumption must increase in hypoxic tissues to provide the same amount of ATP that could be produced from glucose in normoxic (normal O, levels) tissues. et the eprivation mple, in for over reased the tect Jucible factor glycolytic alytic e starved reasing Bases. In hypox tissues, in contrast to normoxic tissues, ATP is additionally consumed to transform lactate to pyruvate Additional glucose is consumed by hipoxic tissues to be metabolized through the glyoxylate pathway In...
please explain answer
Regulation of Lactate dehydrogenase (same enzyme described above). Lactose dehydrogenase (LDH) is a tetramer that can be regulated in several different ways. The crystal structure of the four subunits of lactate dehydrogenase is shown below. In the heart, lactose has a higher affinity for pyruvate than in the skeletal muscle. Analysis of LDH has identified that it is a substrate of FGFR tyrosine kinase, which results in an increase in the production of lactate. Some types of...
3. Muscles respond to strength training with hypertrophy. Hypertrophy occurs by a) increasing the number of muscle fibers in the skeletal muscle. b) increasing the diameter of each fiber by adding more myofibrils. c) adding more mitochondria and myoglobin to each fiber. 4. Endurance training (such as training to run a 10k race) aims to increase the % of ATP generated from aerobic respiration during times of intense exercise. Which fiber type is primarily recruited for this type of endurance...
2. Why does increasing the amount of substrate increase the
amount of color produced in the test tubes?
ght questions: etermina un in the 1. In Activity 1, what is the purpose of the test tube containing only w test tube containing only water and substrate? 2. Why does increasing the amount of substrate increase the amount of con strate increase the amount of color produced in the test tubes? 3. If you were to look at the three test...
Please explain this mechanism
and why the ester is used as the electrophile rather than the
ketone.
+ = 0 1) NaOCHZ CH2OH 2) H3O+ workup
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