Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Question
Chapter 5, Problem 1RA
Summary Introduction
To determine:
The net gain of ATP (adenosine triphosphate) per glucose molecule in the lactic acid pathway and aerobic respiration.
Introduction:
ATP is the energy currency of cells, which is produced through
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Check out a sample textbook solutionStudents have asked these similar questions
. During lactic acid fermentation, what fraction of energy is approximately released from the glucose substrate?
a.
1/2
b.
1/4
c.
1/8
d.
1/16
Fermentation of a glucose molecule has the potential to produce a netnumber of _____________ ATPs.a. 4
b. 2
c. 38
d. 32
Under anaerobic conditions,
OA. lactate
B. oxygen
C. pyruvate
D. carbon dioxide
E. glucose
is absent.
Chapter 5 Solutions
Human Physiology
Ch. 5 - Define the term glycolysis in terms of its initial...Ch. 5 - What are the initial substrates and final products...Ch. 5 - Describe the physiological functions of lactic...Ch. 5 - Compare the fate of pyruvate in aerobic and...Ch. 5 - Draw a simplified citric acid cycle and indicate...Ch. 5 - Explain how NADH and FADH2 contribute to oxidative...Ch. 5 - Explain how ATP is produced in oxidative...Ch. 5 - Describe glycogenesis and glycogenolysis, and...Ch. 5 - Explain the significance of gluconeogenesis and...Ch. 5 - Prob. 6aCP
Ch. 5 - Prob. 6bCPCh. 5 - Describe transamination and deamination and...Ch. 5 - List five blood-borne energy carriers and explain,...Ch. 5 - Prob. 1RACh. 5 - In anaerobic metabolism, the oxidizing agent for...Ch. 5 - When skeletal muscles lack sufficient oxygen,...Ch. 5 - The conversion of lactic acid to pyruvic acid...Ch. 5 - Which of these statements about the oxygen in the...Ch. 5 - In terms of the number of ATP molecules directly...Ch. 5 - Ketone bodies are derived from
Ch. 5 - Prob. 8RACh. 5 - The conversion of glucose 6-phosphate to free...Ch. 5 - The formation of glucose from pyruvic acid derived...Ch. 5 - Which of these organs has an almost absolute...Ch. 5 - When amino acids are used as an energy source,
Ch. 5 - Intermediates formed during fatty acid metabolism...Ch. 5 - State the advantages and disadvantages of the...Ch. 5 - What purpose is served by the formation of lactic...Ch. 5 - Describe the effect of cyanide on oxidative...Ch. 5 - Describe the metabolic pathway by which glucose...Ch. 5 - Prob. 18RACh. 5 - Explain how energy is obtained from the metabolism...Ch. 5 - Prob. 20RACh. 5 - Why is the production of lactic acid termed a...Ch. 5 - Prob. 22RACh. 5 - What three molecules serve as the major substrates...Ch. 5 - A friend, wanting to lose weight, eliminates all...Ch. 5 - Suppose a drug is developed that promotes the...Ch. 5 - For many years, the total number of molecules of...Ch. 5 - People who are starving have very thin arms and...Ch. 5 - Prob. 28RACh. 5 - Prob. 29RACh. 5 - Prob. 30RACh. 5 - Prob. 31RACh. 5 - Prob. 32RACh. 5 - Prob. 33RA
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Similar questions
- 39. Enzyme involved in the pathway of ethanol fermentation is _____. Select one: a. pyruvate kinase b. pyruvate decarboxylase c. pyruvate dehydrogenase d. hexokinasearrow_forwardPlease complete the following question. 7arrow_forwardGlycolysis has 3 metabolically irreversible steps that serve as regulatory points. They are ____: a. 1, 2 and 3 b. 1, 3, and 7 c. 1, 4 and 10 d. 1, 3 and 10arrow_forward
- Nearly all of the ATP created in the mitochondria stays in the mitochondria. This is _________. Glucose is the only molecule that can fuel respiration. This is ____ Select one: a. true, true b. true, false c. false, false d. false, true Clear my choicearrow_forwardAt the end of the glucose oxidation there will be four end products: water, carbon-monoxide, ATP and heat A. True B. Falsearrow_forwardMitchondrial matrix contains enzymes of: a. Pyruvate dehydrogenase b. TCA cycle enzyme c. Acyl CoA synthetase d. ATP synthase e. B-oxidation enzymesarrow_forward
- a. Bicarbonate loading b. Blood doping c. Iron d. Zinc e. Niacin ___ improves the electron transport chain and oxidative phosphorylation by increasing the proton motive forcearrow_forwardThe control of aerobic respiration by _____________ is called respiratory control. a. ATP b. ADP c. AMP d. GDParrow_forward1. Select the correct answer to fill in the blank. If glucose was no longer available, pyruvate processing would not produce (__________) to fuel the citric acid cycle, a. acetyl-CoA b. CO2 2. Select the correct answer to fill in the blank. If glucose was no longer available, the citric acid cycle would not enable (__________) a. fatty acid metabolism b. CO2arrow_forward
- The committed step of glycolysis is catalyzed by which of the follwing enzymes? a. aldolase b. hexokinase c. Phosphofructokinase-1 d. Pyruvate kinasearrow_forwardDuring lactic acid fermentation ___ is converted to ___ thereby oxidizing ___ a. Pyruvate ;lactate ;nadh b. Lactate ;pyruvate ;nadph c.lactate ;pyruvate ;nad+ d. Pyruvate; lactate; nad+arrow_forwardWhen energy in is greater than energy out, this is termed and usually weight gain occurs. a. thermic effect of food O b. positive energy balance Oc. non exercise activity thermogenesis d. negative energy balancearrow_forward
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