Fundamentals of Anatomy & Physiology, Books a la Carte Edition (11th Edition)
11th Edition
ISBN: 9780134452319
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 25, Problem 5RQ
Summary Introduction
Introduction:
The conversion of glucose to pyruvate without utilizing oxygen is known as glycolysis and the two molecules of pyruvate produced from the glycolysis can further undergo citric acid cycle.
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After several days of starvation, the capacity of the liver to metabolize acetyl-CoA via the citric acid cycle is greatly diminished. Explain.
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The end product of glycolysis, pyruvate, cannot enter as such into the citric acid cycle. Which process converts this C3 compound to a C2 compound?
Chapter 25 Solutions
Fundamentals of Anatomy & Physiology, Books a la Carte Edition (11th Edition)
Ch. 25 - Define metabolism, catabolism, and anabolism.Ch. 25 - Prob. 2CPCh. 25 - Prob. 3CPCh. 25 - Prob. 4CPCh. 25 - Prob. 5CPCh. 25 - Prob. 6CPCh. 25 - Prob. 7CPCh. 25 - Prob. 8CPCh. 25 - Prob. 9CPCh. 25 - Prob. 10CP
Ch. 25 - Prob. 11CPCh. 25 - Prob. 12CPCh. 25 - Prob. 13CPCh. 25 - Prob. 14CPCh. 25 - Prob. 15CPCh. 25 - Prob. 16CPCh. 25 - Prob. 17CPCh. 25 - Prob. 18CPCh. 25 - Prob. 19CPCh. 25 - Prob. 1RQCh. 25 - The breakdown of glucose to pyruvate is an ______...Ch. 25 - Prob. 3RQCh. 25 - Prob. 4RQCh. 25 - Prob. 5RQCh. 25 - Prob. 6RQCh. 25 - Prob. 7RQCh. 25 - Prob. 8RQCh. 25 - Prob. 9RQCh. 25 - Prob. 10RQCh. 25 - How are lipids catabolized in the body? How is...Ch. 25 - How do the absorptive and postabsorptive states...Ch. 25 - Why is the liver the focal point for metabolic...Ch. 25 - Prob. 14RQCh. 25 - Prob. 15RQCh. 25 - Prob. 16RQCh. 25 - Charlie has a blood test that shows a normal level...Ch. 25 - Jill suffers from anorexia nervosa. One afternoon...Ch. 25 - Prob. 1CCCh. 25 - If Justines dietwhich includes very little milk,...
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- Pyruvic acid is a product of glycolysis, but it is not the substance that joins with the pickup molecule to enter the citric acid cycle. What is that substance?arrow_forwardBefore pyruvate enters the citric acid cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of (a) NADH (b) FADH2 (c) ATP (d) ADP (e) C6H12O6arrow_forwardIn the human body, under oxygen rich and oxygenpoor conditions, respectively, pyruvate is convertedtoarrow_forward
- in steps 3 and 5 of the citric acid cycle, the compounds are shortended by one carbon each time. whst is the form of this one-carbon compound? what happens to it in the body?arrow_forwardIn considering the carbohydrate maltose... a. How many molecules of acetyl CoA are formed from its complete catabolism? b. How many rounds of Citric acid Cycle must occur to complete catabolism? c. How many rounds of electron transport chain and oxidative phosphorylation?arrow_forwardExperienced runners know that it is poor practice to ingest large amounts of glucose immediately before running a marathon. What is the metabolic basis for this apparent paradox?arrow_forward
- DEFINE THE FOLLOWING TERMS: a) Gluconeogenesis b) Glycolysis c) Citric Acid Cycle Please explain this in-detailed and longer, thank you.arrow_forwardWhy does epinephrine stimulate glycolysis? I know why epinephrine stimulates glycogenolysis which is to release glucose stores. But epinephrine stimulating glycolysis seems counterintuitive as it would synthesize less glucose and more pyruvate?arrow_forwardDescribe the movement of energy during acetyl–CoA formationand the citric acid cycle.arrow_forward
- fatty acid breakdown generates a large amount of acetyl CoA. What will be the effect of fatty acid breakdown on pyruvate dehydrogenase complex activity? On glycolysis?arrow_forwardIf the brain needs glucose, then gluconeogenesis stops after reaction (9, 8, 10, 2) because (phosphoenolpyruvate, glucose, glucose-6-phosphaet, fructose-6-phosphate) can be exported from the hepatocyte using a transporter.arrow_forwardCorrelate the importance of Citric Acid Cycle in maintaining the glucose hemeostasis.arrow_forward
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