Exercise Physiology: Theory and Application to Fitness and Performance
9th Edition
ISBN: 9780073523538
Author: Scott K Powers, Edward T Howley
Publisher: McGraw-Hill Education
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Chapter 3, Problem 5SA
Summary Introduction
To determine: At which place of cell glycolysis the Krebs cycle and oxidative phosphorylation take place.
Introduction: Energy is necessary for all living organisms to carry out their life processes. Living cells obtain energy in different forms, and they also have the mechanisms to convert the energy from one form to different forms. Energy is defined as the capability to do work. When work is done, energy is transferred from one form to another form or between systems.
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Where do glycolysis, the Krebs cycle, and oxidative phosphorylation take place in the cell?
Where are the enzymes for the Krebs cycle located? The enzymes for oxidative phosphorylation? The enzymes for glycolysis?
Which cell structure contains the enzymes required for oxidativephosphorylation?
Chapter 3 Solutions
Exercise Physiology: Theory and Application to Fitness and Performance
Ch. 3 - Prob. 1OCh. 3 - Prob. 2OCh. 3 - Prob. 3OCh. 3 - Prob. 4OCh. 3 - Prob. 5OCh. 3 - Prob. 6OCh. 3 - Prob. 7OCh. 3 - Prob. 8OCh. 3 - Prob. 9OCh. 3 - Prob. 10O
Ch. 3 - Prob. 1SACh. 3 - Prob. 2SACh. 3 - Prob. 3SACh. 3 - Prob. 4SACh. 3 - Prob. 5SACh. 3 - Prob. 6SACh. 3 - Prob. 7SACh. 3 - Prob. 8SACh. 3 - Briefly discuss the function of glycolysis in...Ch. 3 - Discuss the operation of the Krebs cycle and the...Ch. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - Prob. 13SACh. 3 - Briefly discuss the interaction of anaerobic...Ch. 3 - Prob. 15SACh. 3 - Prob. 16SACh. 3 - Prob. 17SA
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- What are the end products of glycolysis under aerobic and anaerobic conditions?arrow_forwardWhere does Glycolysis occur in the cell?arrow_forwarda) What is the process by which cells generate ATP through a series of redox (chemical) reactions called? How many ATPs generated through this process from one Glucose molecule? b) What does cellular respiration accomplish for the cell? c) What happens to the NADH produced in glycolysis? Why does it need to get into the mitochondria? d) Write the role of O2 in cellular respiration. e) What happens to our body’s enzyme activity during fever? f) What is the difference between apo-enzyme and holo-enzyme? g) What is meant by the term specificity in relation to enzyme activity? h) If humans evolved from apes, why are there still apes? i) What are the risk factors of type 2 diabetes? j) Why was Lamarck wrong about giraffes?arrow_forward
- Where in the Cell Do Electron Transportand Oxidative Phosphorylation Occur?arrow_forwardWhere in the cell does the citric acid cycle take place?arrow_forwardThe enzyme Phosphofructokinase (PFK) is a key regulator of glycolysis. A) Does ATP bind the PFK allosteric siteor the active site? B) Does high amount of ATP in the cell activate or inhibit PFK? Why? C)What do you suppose happens to glucose if glycolysis is inhibited in the cell?arrow_forward
- In what part of the cell does the citric acid cycle take place? Does this differ from the part of the cell where glycolysis occurs?arrow_forward|a) Explain why the citric acid cycle is considered to be the center of cellular metabolism. b) What are the substrates and products corresponding to one turn of the citric acid cycle? (no need for enzymes) c) Which steps of the citric acid cycle release CO2 as a product? Which steps produce NADH or FADH2? Which step produces GTP? d) How much ATP can be generated from glucose when the citric acid cycle is operating?arrow_forwardWhat would be the effect on ATP production during chemiosmosis and oxidative phorphorylation, if the pH within the inner membrane space of the mitochondrion were decreased, assuming no effect of pH on the structure of proteins in the membrane? a) it would increase b) it would decrease c)it would stay the samearrow_forward
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