Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 2MCQ
Which of the following reactions produces the most molecules of ATP during aerobic
- a. glucose → glucose 6-phosphate
- b. phosphoenolpyruvic acid → pyruvic acid
- c. glucose → pyruvic acid
- d. acetyl CoA → CO2 + H2O
- e. succinic acid → fumaric acid
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During 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-phosphate
Hexokinase 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-phosphate
During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue. The most important reaction involved in the reoxidation of NADH is:
a. dihydroxyacetone phosphate → glycerol 3-phosphate
b. glucose 6-phosphate → fructose 6-phosphate
c. isocitrate → α-ketoglutarate
d. oxaloacetate → malate
e. pyruvate → lactate
Chapter 5 Solutions
Microbiology: An Introduction
Ch. 5 - Prob. 1RCh. 5 - DRAW ITUsing the diagrams below, show each of the...Ch. 5 - DRAW IT An enzyme and substrate are combined. The...Ch. 5 - Define oxidation-reduction, and differentiate the...Ch. 5 - There are three mechanisms for the phosphorylation...Ch. 5 - All of the energy-producing biochemical reactions...Ch. 5 - Fill in the following table with the carbon source...Ch. 5 - Write your own definition of the chemiosmotic...Ch. 5 - Why must NADH be reoxidized? How does this happen...Ch. 5 - NAME IT What nutritional type is a colorless...
Ch. 5 - Which substance in the following reaction is being...Ch. 5 - Which of the following reactions produces the most...Ch. 5 - Prob. 3MCQCh. 5 - Which of the following compounds has the greatest...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Which culture produces the most lactic acid? Use...Ch. 5 - Which culture produces the most ATP? Use the...Ch. 5 - Which culture uses NAD+? Use the following choices...Ch. 5 - Which culture uses the most glucose? Use the...Ch. 5 - Explain why, even under ideal conditions,...Ch. 5 - The following graph shows the normal rate of...Ch. 5 - Compare and contrast carbohydrate catabolism and...Ch. 5 - How much ATP could be obtained from the complete...Ch. 5 - The chemoautotroph Acidithiobacillus can obtain...Ch. 5 - Haemophilus influenzae requires hemin (X factor)...Ch. 5 - The drug Hivid, also called ddC, inhibits DNA...Ch. 5 - The bacterial enzyme streptokinase is used to...
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- Which of the following best describes the DIFFERENCE between aerobic and anaerobic? A. aerobic respiration involves oxygen B. anaerobic respiration involves oxygen C. aerobic respiration occurs during glycolysis and anaerobic during the citric acid cycle and electron transport D. anaerobic respiration produces a much greater amount of ATP compared to aerobicarrow_forwardWhich of the following reactions is reversible and irreversible? Why? a. Pyruvate + β-hydroxybutyrate → lactate + acetoacetate b. Malate + pyruvate → oxaloacetate + lactate c. Acetaldehyde + succinate → ethanol + fumarate d. Pyruvate + NADH + H+ → lactate NAD+ e. Acetoacetate + NADH + H+ → β-hydroxybutyrate + NAD+ f. Malate + NAD+ → oxaloacetate + NADH + H+arrow_forwardDetermine whether the following reactions will proceed favorably or spontaneously. A. fructose-6-phosphate + ATP → fructose-1,6-diphosphate B. glycerol phosphate + ADP → glycerol + ATP C. phosphocreatine + ADP → creatine + ATParrow_forward
- Which of the following enzymes is NOT operating during glycogenolysis? a. glycogen phosphatase b. glycogen phosphorylase c. glycogen debranching enzyme d. phosphoglucomutasearrow_forwardWhich of the following enzyme components of fatty acid synthase has/have a thiol group? A. ketoacyl-ACP reductase B. ketoacyl-ACP synthase C. enoyl- ACP reductase D. acyl carrier proteinarrow_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_forward
- Glucose-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_forwardWhich of the following is a substrate for glycogen synthase? a. UTP-glucose b. Glucose 1-phosphate c. CDP-glucose d. UDP-glucosearrow_forwardWhich of the following reactions generates ATP? Select one: a. Phosphoenolpyruvate to pyruvate b. Fructose 6-phosphate to Fructose 1,6-bisphosphate c. Glucose to Glucose 6-Phosphate d. Glucose 6-phosphate to Fructose 6-phosphatearrow_forward
- Which of the following is the ninth step of glycolysis? Select one: a. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate b. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate c. Phosphoenolpyruvate is converted to pyruvate d. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate e. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate f. 3-phosphoglycerate is converted 2-phosphoglycerate g. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate h. Glucose-6-phosphate is converted to Fructose-6-phosphate i. 2-phosphoglycerate is converted to Phosphoenolpyruvate j. Glucose is converted to Glucose-6-phosphatearrow_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_forwardwhich of the following is true about glycolysis? A. occurs in mitochondria B. complete breakdown of glucose C. conversion of glucose to 3 carbon units D. 3 ATP are utilised in anaerobic pathwayarrow_forward
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