BIO 1406/07 W/CONNECT/LM NEW >IC<
16th Edition
ISBN: 9781260075762
Author: Raven
Publisher: MCG CUSTOM
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Chapter 7, Problem 7A
Yeast cells that have mutations in genes that encode enzymes in glycolysis can still grow on glycerol. They are able to utilize glycerol because it
- a. enters glycolysis after the step affected by the mutation.
- b. can feed into the Krebs cycle and generate ATP via electron transport and chemiosmosis.
- c. can be utilized by fermentation.
- d. can donate electrons directly to the electron transport chain.
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Students have asked these similar questions
Which of the following statements about
the TCA cycle is INCORRECT?
O a. The TCA cycle can recover much more energy
than homolactic fermentation.
b. All reactions of the TCA cycle take place in the
mitochondria.
C.
The energy released in the TCA cycle is mainly
stored in the reduced electron carriers NADH and
FADH₂.
O d. Under anaerobic conditions the TCA cycle is used
to oxidize pyruvate.
Oe. The TCA cycle is also called the citric acid cycle
after the product of the first reaction catalyzed by
pyruvate dehydrogenase.
Which of the following statements about the TCA cycle is INCORRECT?
a.
All reactions of the TCA cycle take place in the cytosol.
b.
The energy released in the TCA cycle is mainly stored in the reduced electron carriers NADH and FADH2.
c.
The TCA cycle can recover much more energy than homolactic fermentation.
d.
Under aerobic conditions the TCA cycle is used to oxidize pyruvate.
e.
The TCA cycle is also called the citric acid cycle after the product of the first reaction catalyzed by pyruvate dehydrogenase.
Which of the following statements is correct?
a. Glycolysis and Krebs cycle produce ATP in substrate level phosphorylation
b. Glycolysis and Krebs cycle produce ATP in oxidative level phosphorylation.
c. Glycolysis and pyruvate oxidation produce ATP in substrate level phosphorylation.
d. Glycolysis and pyruvate oxidation produce ATP in oxidative level phosphorylation.
Chapter 7 Solutions
BIO 1406/07 W/CONNECT/LM NEW >IC<
Ch. 7 - Prob. 1UCh. 7 - Which of the following processes is (are) required...Ch. 7 - Which of the following is NOT a product of...Ch. 7 - Glycolysis produces ATP by a. phosphorylating...Ch. 7 - What is the role of NAD+ in the process of...Ch. 7 - The reactions of the Krebs cycle occur in the a....Ch. 7 - The electrons carried by NADH and FADH2 can be a....Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3A
Ch. 7 - What is the importance of fermentation to cellular...Ch. 7 - Prob. 5ACh. 7 - Prob. 6ACh. 7 - Yeast cells that have mutations in genes that...Ch. 7 - Use the following table to outline the...Ch. 7 - Human babies and hibernating or cold-adapted...Ch. 7 - Recent data indicate a link between colder...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following number of products from the Krebs Cycle is a manifestation of 4 pyruvate molecules generated from glycolysis? A. 2 ATP, 6 NADH, 2 FADH₂ B. 3 ATP, 9 NADH, 3 FADH₂ C. 4 ATP, 4 NADH, 4 FADH₂ D. 4 ATP, 12 NADH, 4 FADH₂arrow_forwardWhich of the following distinguishes lactate fermentation from alcoholic fermentation? (Only one answer is correct) A. CO2 is not produced during lactate fermentation. B. Pyruvate is an input to regenerate NAD+ during lactate fermentation. C. Two ATP are used to initiate glycolysis during lactate fermentation. D. Four ATP are produced by glycolysis during lactate fermentation.arrow_forwardRapidly dividing cells such as bone marrow, skin, intestinal mucosa, and cancer cells need DNA synthesis. In these cells, the following is observed: a. a decreased NADPH / NADP+ ratio b. increased flux through the oxidative reactions c. Flux through the oxidative reactions is low and the nonoxidative reactions are reversed to make ribose 5-phosphate. d. Ribose 5-phosphate is recycled through the oxidative steps via the nonoxidative reactions and gluconeogenesis. e. Ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions.arrow_forward
- Which of the following is FALSE about glycolysis? a. The pathway axidizes two moles of NADH to NAD* for each mole of glucose. b. The pathway requires two moles of ATP to get started catabolizing each mole of glucose. c. ADP is phosphorylated to ATP via substrate -level phosphorylation. d. The pattivay produces pyruvate as one of its products.arrow_forwardAnaerobic Glycolysis (of 1 mole glucose) that ends with lactate fermentation provides the cell with: a. 1 mole of NAD+, which is a necessary substrate for performing glycolysis once more b. 1 mole of NADH, in from the investment stage of glycolysis c. 2 moles of ATP and 2 moles of lactate d. All of these answers are truearrow_forwardPlace the following steps of cellular respiration in the correct order by numbering them from 1 to 4. a. The Krebs cycle produces the energy carriers NADH, FADH2, and ATP. b. If oxygen levels are adequate, pyruvate is transported into the mitochondrion. If oxygen levels are very low, fermentation proceeds. c. Glucose is broken down to produce ATP and NADH. d. An electron transport chain produces ATP from ADP.arrow_forward
- ATP production is limited from glycolysis in strenuously exercising muscle or when yeast are fermenting carbohydrates in closed vessels. The limiting factor is Select one: a. the increased acidity from lactic acid causing muscle damage b. the accumulation of CO, c. the lack of ATP to continue glycolysis d. the lack of organic fuel molecules to oxidize e. the need to regenerate NAD+arrow_forwardGlycolysis is often split up into three phases: 1. Energy Investment 2. Sugar Splitting and 3. Energy Payoff. After splitting the 6-carbon sugar, Fructose 1,6-biphosphate, 4 ATP are generated by substrate-level phosphorylation. What is substrate-level phosphorylation? A. ATP generated by chemiosmosis B. ATP generated by the direct transfer of a phosphate from an organic molecule to ADP C. ATP generated by the fermentation of alcohol D. Transfer of phosphates between glucose molecules E. All of the abovearrow_forwardAnaerobic respiration differs from aerobic respiration in that . . A. the electron transport chain is not used in anaerobic respiration. B. more ATP is produced in the TCA cycle of anaerobic respiration. C. only aerobes can use glucose. D.anaerobes employ a different final electron acceptor than aerobes.arrow_forward
- With regards to glycolysis, all of the following statements are FALSE except . a. glycolysis does not require oxygen o b. 4 net ATP are formed O c. 2 ATP gre formed in the energy payoff phase d. 1 ATP are used in the energy payoff phase e. glycolysis occurs in the mitochondriaarrow_forwardCompare ATP production in the citric acid cycle to the electron transport chain, or aerobic respiration. A. Both processes use oxidative phosphorylation. B. Both processes use substrate-level phosphorylation. C. The citric acid cycle uses substrate-level phosphorylation, and the electron transport chain uses oxidative phosphorylation. D. The citric acid cycle uses oxidative phosphorylation, and the electron transport chain uses substrate-level phosphorylation.arrow_forwardWhy cannot gluconeogenesis and glycolysis be active at the same time? a. False! Gluconeogenesis starts in mitochondria, glycolysis in cytoplasm, so they can be active at the same time! b. True! Gluconeogenesis and Glycolysis use the same reversible enzyme, so these enzymes cannot support both reactions. c. False! Gluconeogensis uses bypasses, so that's why both pathways can be active at the same time. d. True! Gluconeogensis makes glucose, glycolysis breaks glucose. The purpose of both enzymes is clearly opposed. e. False! Gluconeogenesis is in the liver, glycolysis is not - it's in the muscle, so a different organ.arrow_forward
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