GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
7th Edition
ISBN: 9781305866966
Author: STOKER
Publisher: CENGAGE L
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Chapter 24.7, Problem 1QQ
Interpretation Introduction
Interpretation: To identify the correct statement concerning
Concept introduction: Monosaccharides are the simplest carbohydrate units which cannot be hydrolyzed further to give the smallest units. Glucose is a monosaccharide with the molecular formula
Polysaccharides contain many carbohydrate units that vary from 100 to 50,000 monosaccharide units. Glycogen is a polysaccharide of glucose. It serves as a form of carbohydrate storage in humans and animals. Glycogen is a source of glucose in humans and animals.
A reactant is defined as the substance that is initially present in the
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Which of the following statements concerning gluconeogenesis is NOT true?
a.
Gluconeogenesis is to make glucose from glycogen.
b.
Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse.
c.
The process of gluconeogenesis consumes ATP.
d.
The process of gluconeogenesis is regulated by ATP.
e.
Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.
Which of the following steps occurs during the payoff phase of glycolysis?
A. the conversion of phosphoenolpyruvate to pyruvate
B. the conversion of fructose 6-phosphate to fructose 1,6-biphosphate
C. the conversion of glucose 6-phosphate to fructose 6-phosphate
D. the conversion of glucose to glucose 6-phosphate
Citrate, an intermediate in the TCA cycle, affects the activity of the enzyme phosphofructokinase, the enzyme that catalyzes the third step of glycolysis. Based on the expected logic of feedback in metabolism, which of the following is likely true?
a.
Citrate inhibits phosphofructokinase
b.
Phosphofructokinase inhibits citrate
c.
There is no logical reason for feedback to exist in this case
d.
Citrate activates phosphofructokinase
Chapter 24 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
Ch. 24.1 - The primary site within the human body where...Ch. 24.1 - What is the first site within the human body where...Ch. 24.1 - What effect does gastric juice in the stomach have...Ch. 24.1 - Prob. 4QQCh. 24.1 - Which of the following substances is needed for...Ch. 24.2 - Prob. 1QQCh. 24.2 - Prob. 2QQCh. 24.2 - Prob. 3QQCh. 24.2 - Prob. 4QQCh. 24.2 - Prob. 5QQ
Ch. 24.2 - Prob. 6QQCh. 24.2 - Prob. 7QQCh. 24.3 - Prob. 1QQCh. 24.3 - Prob. 2QQCh. 24.3 - Prob. 3QQCh. 24.3 - Prob. 4QQCh. 24.3 - Accumulation of which of the following substances...Ch. 24.4 - Prob. 1QQCh. 24.4 - The net yield of ATP for the complete oxidation of...Ch. 24.4 - Prob. 3QQCh. 24.5 - Prob. 1QQCh. 24.5 - Prob. 2QQCh. 24.5 - Prob. 3QQCh. 24.6 - Prob. 1QQCh. 24.6 - Prob. 2QQCh. 24.6 - Prob. 3QQCh. 24.6 - Which of the following statements about ATP...Ch. 24.6 - Prob. 5QQCh. 24.7 - Prob. 1QQCh. 24.7 - Prob. 2QQCh. 24.8 - Prob. 1QQCh. 24.8 - Prob. 2QQCh. 24.8 - Prob. 3QQCh. 24.9 - Which of the following hormones promotes the...Ch. 24.9 - Which of the following pairs of hormones increases...Ch. 24.10 - Prob. 1QQCh. 24.10 - Prob. 2QQCh. 24.10 - Prob. 3QQCh. 24 - Where does carbohydrate digestion begin in the...Ch. 24 - Very little digestion of carbohydrates occurs in...Ch. 24 - Prob. 24.3EPCh. 24 - Prob. 24.4EPCh. 24 - Prob. 24.5EPCh. 24 - Prob. 24.6EPCh. 24 - Prob. 24.7EPCh. 24 - Prob. 24.8EPCh. 24 - Prob. 24.9EPCh. 24 - Prob. 24.10EPCh. 24 - Prob. 24.11EPCh. 24 - Prob. 24.12EPCh. 24 - Prob. 24.13EPCh. 24 - Prob. 24.14EPCh. 24 - Prob. 24.15EPCh. 24 - Prob. 24.16EPCh. 24 - Prob. 24.17EPCh. 24 - Prob. 24.18EPCh. 24 - Prob. 24.19EPCh. 24 - Prob. 24.20EPCh. 24 - Prob. 24.21EPCh. 24 - Prob. 24.22EPCh. 24 - Prob. 24.23EPCh. 24 - Prob. 24.24EPCh. 24 - Prob. 24.25EPCh. 24 - Prob. 24.26EPCh. 24 - Prob. 24.27EPCh. 24 - Prob. 24.28EPCh. 24 - Prob. 24.29EPCh. 24 - Prob. 24.30EPCh. 24 - Prob. 24.31EPCh. 24 - Prob. 24.32EPCh. 24 - Prob. 24.33EPCh. 24 - Prob. 24.34EPCh. 24 - Prob. 24.35EPCh. 24 - Prob. 24.36EPCh. 24 - Prob. 24.37EPCh. 24 - Prob. 24.38EPCh. 24 - Prob. 24.39EPCh. 24 - Prob. 24.40EPCh. 24 - Prob. 24.41EPCh. 24 - Prob. 24.42EPCh. 24 - Prob. 24.43EPCh. 24 - Prob. 24.44EPCh. 24 - Prob. 24.45EPCh. 24 - Prob. 24.46EPCh. 24 - Prob. 24.47EPCh. 24 - Prob. 24.48EPCh. 24 - Prob. 24.49EPCh. 24 - Prob. 24.50EPCh. 24 - Prob. 24.51EPCh. 24 - Prob. 24.52EPCh. 24 - Prob. 24.53EPCh. 24 - Prob. 24.54EPCh. 24 - Prob. 24.55EPCh. 24 - Prob. 24.56EPCh. 24 - Prob. 24.57EPCh. 24 - Prob. 24.58EPCh. 24 - Prob. 24.59EPCh. 24 - Prob. 24.60EPCh. 24 - Prob. 24.61EPCh. 24 - Prob. 24.62EPCh. 24 - Prob. 24.63EPCh. 24 - Prob. 24.64EPCh. 24 - Prob. 24.65EPCh. 24 - The liver, but not the brain or muscle cells, has...Ch. 24 - Prob. 24.67EPCh. 24 - Prob. 24.68EPCh. 24 - Prob. 24.69EPCh. 24 - Prob. 24.70EPCh. 24 - Prob. 24.71EPCh. 24 - Prob. 24.72EPCh. 24 - Prob. 24.73EPCh. 24 - Prob. 24.74EPCh. 24 - Prob. 24.75EPCh. 24 - Prob. 24.76EPCh. 24 - Prob. 24.77EPCh. 24 - Prob. 24.78EPCh. 24 - Prob. 24.79EPCh. 24 - Prob. 24.80EPCh. 24 - Prob. 24.81EPCh. 24 - Prob. 24.82EPCh. 24 - Prob. 24.83EPCh. 24 - Prob. 24.84EPCh. 24 - Prob. 24.85EPCh. 24 - Prob. 24.86EPCh. 24 - Prob. 24.87EPCh. 24 - Prob. 24.88EPCh. 24 - Prob. 24.89EPCh. 24 - Prob. 24.90EPCh. 24 - Prob. 24.91EPCh. 24 - Prob. 24.92EPCh. 24 - Prob. 24.93EPCh. 24 - Prob. 24.94EPCh. 24 - Prob. 24.95EPCh. 24 - Prob. 24.96EPCh. 24 - Prob. 24.97EPCh. 24 - Prob. 24.98EPCh. 24 - Prob. 24.99EPCh. 24 - Prob. 24.100EPCh. 24 - Prob. 24.101EPCh. 24 - Prob. 24.102EPCh. 24 - Prob. 24.103EPCh. 24 - Prob. 24.104EPCh. 24 - Prob. 24.105EPCh. 24 - Prob. 24.106EPCh. 24 - Prob. 24.107EPCh. 24 - Prob. 24.108EPCh. 24 - Prob. 24.109EPCh. 24 - Prob. 24.110EPCh. 24 - Prob. 24.111EPCh. 24 - Prob. 24.112EPCh. 24 - Prob. 24.113EPCh. 24 - Prob. 24.114EPCh. 24 - Prob. 24.115EPCh. 24 - Compare the biological functions of glucagon and...Ch. 24 - Prob. 24.117EPCh. 24 - Prob. 24.118EP
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- Which of the following statements concerning the enzyme regulation is CORRECT? Select one: A. Citrate is the allosteric inhibitor of hexokinase. B. AMP is the alloseric activator of pyruvate dehydrogenase. C. Glucose-6-phosphate is the allosteric activator for phosphofructokinase. D. ATP is the activator of pyruvate kinase.arrow_forwardDuring which of the following conversions in Glycolysis is ATP generated? (more than one answer) a. 1,3-bisphophoglycerate to 3-phosphoglycerate b. Phosphoenolpyruvate to Pyruvate c. Fructose 6-Phosphate to Fructose 1,6-bisphosphate d. Glucose to Glucose 6-phosphatearrow_forwardWhich of the following is NOT involved in the activation of glucose for glycogen synthesis? A. Phosphorylation of glucose by hexokinase to glucose-6-phosphate. B. Isomerization of glucose-6-phosphate to fructose-6-phosphate by phosphohexose isomerase. C. Two-step phosphoryl group transfer by phosphoglucomutase. D. Attachment of glucose-1-phosphate to UDP.arrow_forward
- Which of the following reactions would be inhibited in the presence of large amounts of an egg white protein that binds and sequesters biotin? a. Pyruvate to Lactate b. Pyruvate to Alanine c. Phosphoenolpyruvate to Pyruvate d. Pyruvate to oxaloacetatearrow_forwardWhich of the following reactions in the glycolysis cycle are regulated by hormones? (more than one answer) a. Pyruvate to Lactate b. Fructose 6 Phosphate to Fructose 1,6 bis phosphate c. Glucose to Glucose 6P d. Phosphoenolpyruvate to Pyruvate e. 3-Phosphoglycerate to 2-Phosphoglyceratearrow_forwardHexokinase is used to do which of the following steps of glycolysis? Select one: a. Glucose is converted to Glucose-6-phosphate b. Phosphoenolpyruvate is converted to pyruvate c. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate d. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate e. 3-phosphoglycerate is converted 2-phosphoglycerate f. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate g. 2-phosphoglycerate is converted to Phosphoenolpyruvate h. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate i. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate j. Glucose-6-phosphate is converted to Fructose-6-phosphatearrow_forward
- Which of the following is the first step of glycolysis? Select one: a. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate b. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate c. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate d. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate e. 3-phosphoglycerate is converted 2-phosphoglycerate f. 2-phosphoglycerate is converted to Phosphoenolpyruvate g. Phosphoenolpyruvate is converted to pyruvate h. Glucose-6-phosphate is converted to Fructose-6-phosphate i. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate j. Glucose is converted to Glucose-6-phosphatearrow_forwardWhich of the following is the third step of glycolysis? Select one: a. Glucose is converted to Glucose-6-phosphate b. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate c. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate d. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate e. 3-phosphoglycerate is converted 2-phosphoglycerate f. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate g. Glucose-6-phosphate is converted to Fructose-6-phosphate h. 2-phosphoglycerate is converted to Phosphoenolpyruvate i. Phosphoenolpyruvate is converted to pyruvate j. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphatearrow_forwardThe rate limiting and committed step of the pentose phosphate pathway is catalyzed by which of the following enzymes? A. Glucose-6-phosphate dehydrogenase B. Hexokinase C. 6-Phosphogluconate dehydrogenase D. Transketolasearrow_forward
- In the first stage of glycolysis, the hydroxyl group on C6 of glucose is phosphorylated to form glucose-6-phosphate (G6P). In this reaction, which of the following statements is true? a. O b. d. e. Glucose kinase is used to catalyze the reaction. Hexokinase is used to catalyze the reaction. A molecule of NADH is synthesized. One ATP is synthesized. Fructose kinase is used to catalyze the reaction.arrow_forwardWhich of the following is the fourth step of glycolysis? Select one: a. Phosphoenolpyruvate is converted to pyruvate b. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate c. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate d. Glucose-6-phosphate is converted to Fructose-6-phosphate e. 2-phosphoglycerate is converted to Phosphoenolpyruvate f. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate g. 3-phosphoglycerate is converted 2-phosphoglycerate h. Glucose is converted to Glucose-6-phosphate i. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate j. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphatearrow_forwardGlucose-6-phosphate isomerase is used to do which of the following steps of glycolysis Select one: a. Glucose-6-phosphate is converted to Fructose-6-phosphate b. 3-phosphoglycerate is converted 2-phosphoglycerate c. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate d. Glucose is converted to Glucose-6-phosphate e. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate f. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate g. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate h. Phosphoenolpyruvate is converted to pyruvate i. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate j. 2-phosphoglycerate is converted to Phosphoenolpyruvatearrow_forward
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