PRINCIPLES OF ANATOMY+PHYSIOLOGY
16th Edition
ISBN: 9781119821823
Author: Tortora
Publisher: WILEY C
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Chapter 25, Problem 22CP
Summary Introduction
To review:
The fates of pyruvic acid (pyruvate), glucose 6-phosphate (G6P), and acetyl coenzyme A (CoA) in a cell.
Introduction:
The molecules G6P, pyruvic acid, and acetyl CoA play a very important role in body's
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Which of the following molecules controls the metabolic flow through both glycolysis and gluconeogenesis?
fructose-2,6-bisphosphate
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O 2,3-bisphosphoglycerate
O Glucose-6-phosphate
O lactic acid
O citrate
Which of the following enzymes plays a role in controlling the the half-life of CGMP?
O CGMP phosphodiesterase
O CGMP phosphatase
O CGMP half-life controlling enzyme
O CGMP kinase
O CGMP phosphorylase
What is the net synthesis of ATP when one molecule of fructose-6-phosphate gets converted into 2 molecules of pyruvate?
What is the advantage for some tumors to stop expressing the genes for glucose-6-phosphatase, phosphoenolpyruvate carboxykinase, and fructose bisphosphatase?
Chapter 25 Solutions
PRINCIPLES OF ANATOMY+PHYSIOLOGY
Ch. 25 - l. What is metabolism? Distinguish between...Ch. 25 - How does ATP link anabolism and catabolism?Ch. 25 - How is a hydride ion different from a hydrogen...Ch. 25 - 4. What are three ways that ATP can be generated?
Ch. 25 - How does glucose move into or out of body cells?Ch. 25 - Prob. 6CPCh. 25 - Prob. 7CPCh. 25 - Outline the principal events and outcomes of the...Ch. 25 - Prob. 9CPCh. 25 - Prob. 10CP
Ch. 25 - Prob. 11CPCh. 25 - Prob. 12CPCh. 25 - Prob. 13CPCh. 25 - Which lipoprotein particles contain "good" and...Ch. 25 - Prob. 15CPCh. 25 - Prob. 16CPCh. 25 - Prob. 17CPCh. 25 - Prob. 18CPCh. 25 - Prob. 19CPCh. 25 - Prob. 20CPCh. 25 - Prob. 21CPCh. 25 - Prob. 22CPCh. 25 - 23. What are the roles of insulin, glucagon,...Ch. 25 - Why is ketogenesis more significant during fasting...Ch. 25 - Prob. 25CPCh. 25 - Prob. 26CPCh. 25 - What are the functions of leptin, neuropeptide Y,...Ch. 25 - Prob. 28CPCh. 25 - Prob. 29CPCh. 25 - Prob. 30CPCh. 25 - 31. What is a nutrient?
Ch. 25 - Briefly describe the USDA's My Plate and give...Ch. 25 - What is a mineral? Briefly describe the functions...Ch. 25 - Prob. 34CPCh. 25 - Prob. 35CPCh. 25 - 1. Jane Doe's deceased body was found at her...Ch. 25 - During a recent physical, 55-year-old Glenn's...Ch. 25 - Marissa has joined a weight loss program. As part...
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- In which of the following metabolic conversions is ATP “generated” during glycolysis? Phosphoenolpyruvate -> pyruvate 2-Phosphoglycerate —> Phosphoenolpyruvate Glucose-6-phosphate —> Fructose-6-phosphate Fructose-1,6-bisphosphate —> Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate Fructose-6-phosphate —> Fructose-1,6-bisphosphatearrow_forwardHow is the ability to store glucose as glycogen related to the general principle of physiology that physiological processes require the transfer and balance of matter and energy?arrow_forwardIf the conversion of glycerol to glyceraldehyde 3-phosphate releases 1 molecule of ATP, how many molecules of ATP are released during the conversion of glycerol to pyruvate?arrow_forward
- a) How many moles of ATP can be gained from the catabolism of the following substrates to pyruvate? 2 Mole mannose 2 Mole lactose mole glycerol. b) Name three metabolic processes in the cell that are enhanced and two that are inhibited in response to the hormone insulinarrow_forwardHow does fatty acid enter mitochondria via the acyl-carnitine/carnitine transporter?arrow_forwardWhat are the final products of the citric acid cycle (including the transitional phase) for the breakdown of 1 glucose molecule?arrow_forward
- How many ATP are produced from a triglyceride containing three 14 carbon fatty acids? NOTE: Assume that glycerol is converted to Glyceraldehyde-3-Phosphate (step 6 of glycolysis).arrow_forwardWhat is the role of citrate in the transport of acetyl groups from the mitochondrion to the cytosol?arrow_forwardWhat are the six main transition molecules in the conversion of glucose (6 carbon) to pyruvate (2 carbon)?arrow_forward
- What coenzymes are produced in the citric acid cycle and how many are produced per cycle? How many are produced for every glucose molecule?arrow_forwardHow many ATPs can be produced from one molecule of glucose anaerobically? Aerobically?arrow_forwardWhy is the isomerization of glucose-6-phosphate (G6P) to fructose-6-phosphate (F6P) an important step in glycolysis? How is the isomerization of F6P back into G6P prevented?arrow_forward
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