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Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 37.5, Problem 2TYK
Summary Introduction
Introduction:
To maintain homeostasis, blood glucose concentration is controlled by a system of checks and balances. In the absorptive state, the concentration of blood glucose increases after a meal, and the concentration decreases in the post-absorptive state. Exercise activates post-absorptive pathways.
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Students have asked these similar questions
Which of the following are the effects of insulin on skeletal muscle cells and which are not? Which are the effects of insulin on adipocytes?
Inhibits gluconeogenesis
Inhibits lipolysis
Stimulates glucose entry into cell
Stimulates glycogenolysis
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All of the following statements concerning glycogen synthesis and glycogenolysis are
true EXCEPT
High blood glucose and high insulin will activate glycogen synthesis and inhibit
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synthase.
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A low insulin to glucagon ratio will activate glycogen phosphorylase and inhibit
glycogen synthase.
Exercise will activate glycogen phosphorylase and inhibit glycogen synthase.
which of the following is not true for a muscle that is forced to metabolize glucose anaerobically ?
- The cells breakdown glucose faster
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Chapter 37 Solutions
Principles of Biology
Ch. 37.1 - Prob. 1TYKCh. 37.1 - Which statement is false? Water is an inorganic...Ch. 37.2 - Prob. 1CCCh. 37.2 - Prob. 1TYKCh. 37.3 - Prob. 1CCCh. 37.3 - Are the transport processes shown here, including...Ch. 37.3 - Prob. 2CCCh. 37.3 - Prob. 1TYKCh. 37.3 - Prob. 2TYKCh. 37.3 - Prob. 3TYK
Ch. 37.4 - During the absorptive state, an animal is fasting....Ch. 37.4 - Gluconeogenesis occurs when the liver synthesizes...Ch. 37.5 - Prob. 1CCCh. 37.5 - Prob. 1BCCh. 37.5 - Insulin primarily regulates blood glucose...Ch. 37.5 - Prob. 2CCCh. 37.5 - Prob. 2TYKCh. 37.6 - Prob. 1CCCh. 37.6 - Prob. 2CCCh. 37.6 - Prob. 1TYKCh. 37.6 - Prob. 2TYKCh. 37.7 - Prob. 1BCCh. 37.7 - Prob. 1TYKCh. 37.7 - Prob. 2TYKCh. 37.8 - Note that modem medical technology is using a...Ch. 37.8 - Prob. 1TYKCh. 37.8 - Hemodialysis is the treatment of choice for people...Ch. 37 - Prob. 1TYCh. 37 - Prob. 2TYCh. 37 - Prob. 3TYCh. 37 - Prob. 4TYCh. 37 - Prob. 5TYCh. 37 - Prob. 6TYCh. 37 - Prob. 7TYCh. 37 - Prob. 8TYCh. 37 - In the mammalian kidney, filtration is driven by...Ch. 37 - Which of the following cause(s) an increase in Na+...Ch. 37 - Prob. 1CCQCh. 37 - List and define the major processes involved in...Ch. 37 - Prob. 3CCQCh. 37 - Discuss the major ways in which glucose...Ch. 37 - Briefly discuss the parts mid functions of the...
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- Describe how plasma glucose, insulin, glucagon, and epinephrine concentrations change during exercise and stress?arrow_forwardThe benefits of increased daily physical exercise include all of the following, EXCEPT: Question 14 options: providing a distraction to limit over-eating improving fitness levels and quality of life reducing insulin resistance in effector tissues burning an abundance of caloriesarrow_forwardWhich of the following is a reason for reduced long-distance running performance in the heat (e.g., 85° F) ? inhibits gluconeogenesis hastens glycogen depletion lowers muscle pH inhibits nerve impulse transmission to the muscle fiberarrow_forward
- Which of the following fasting blood glucose results would be considered normal? 76 mg/dl 126 mg/dl 54 mg/dl 102 mg/dlarrow_forwardWhich two statements below accurately describe the roles of insulin and glucagon in maintaining metabolic homeostasis? Select 2 correct answer(s) insulin inhibits glucose uptake in the brain insulin stimulates glucose uptake in muscle cells insulin stimulates glucose release from liver cells Oglucagon stimulates glucose release from muscle cells glucagon increases blood glucose levels in between meals glucagon stimulates glucose uptake in liver cellsarrow_forwardIf a person with type 1 diabetes does not take an adequate amount of insulin, what happens to the blood glucose concentration during prolonged exercise? Why?arrow_forward
- Lactic acid that is produced during glycolysis is responsible for muscle fatigue. True Falsearrow_forwardWhich of the following statements about glucose regulation is FALSE? *Glucagon is released by the alpha cells when blood glucose levels are low.Insulin is released by the beta cells when blood glucose levels are high.Glucagon stimulates the formation of glycogen in the liver.Individuals with Type II diabetes produce insulin, but the insulin receptors don’t work.Insulin makes body cells more permeable to glucose.arrow_forwardCaffeine is the go-to supplement for many athletes. Caffeine is well known to enhance and prolong exercise performance. Caffeine and coffee can both significantly improve performance for endurance athletes. Explain two evidences on how or why caffeine is so helpful to athletes.arrow_forward
- In order to help prevent hypoglycemia (reduced blood glucose concentration) during exercise, skeletal muscle glycogenolysis increases, which permits for the diffusion of glucose out of the sk. muscle cell and into the bloodstream. True Falsearrow_forwardGluconeogenesis occurs in muscle using the enzyme glucose-6-phosphatase. True Falsearrow_forwardDefine a kilocalorie and how might this concept be applied to the field of exercise science? Provide a brief example of how a MET may be converted to a caloric equivalent.arrow_forward
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