BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 7, Problem 4U
Glycolysis produces ATP by
a. phosphorylating organic molecules in the priming reactions.
b. the production of glyceraldehyde 3-phosphate.
c. substrate-level phosphorylation.
d. the reduction of NAD+ to NADH.
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Students have asked these similar questions
the reaction catalyzed by glyceradehyde 3-phosphate dehydrigenase is based on NAD+ and a active site cysteine. Also another phosphate group is added. what is the reason for that?
a) because one ATP is consumed
b) an inorganic phosphate is activated for ATP synthesis
C) NADH can be recycld and than converted back to NAD+ for glycolysis
d) because one ATP is generated
What is the direct mechanism of ATP synthesis during the electron transport phase of
cellular respiration? (what is the potential energy source that drives ATP production?) b) Why is
oxygen needed for this phase? c) What is the role of ATP synthase
What is the role of NAD+ in the process of cellular respiration?
a. It functions as an electron carrier.
b. It functions as an enzyme.
c. It is the final electron acceptor for anaerobic respiration.
d. It is a nucleotide source for the synthesis of ATP.
Chapter 7 Solutions
BIOLOGY
Ch. 7.1 - Prob. 1LOCh. 7.1 - Explain the role of electron carriers in energy...Ch. 7.1 - Prob. 3LOCh. 7.2 - Prob. 1LOCh. 7.2 - Calculate the energy yield from glycolysis.Ch. 7.2 - Distinguish between aerobic respiration and...Ch. 7.3 - Prob. 1LOCh. 7.4 - Relate the nine reactions of the citric acid cycle...Ch. 7.4 - Diagram the oxidation reactions in the citric acid...Ch. 7.5 - Prob. 1LO
Ch. 7.5 - Prob. 2LOCh. 7.6 - Calculate the number of ATP molecules produced by...Ch. 7.7 - Prob. 1LOCh. 7.8 - Prob. 1LOCh. 7.8 - Distinguish between fermentation and anaerobic...Ch. 7.9 - Identify the entry points for proteins and fats in...Ch. 7.9 - Prob. 2LOCh. 7.10 - Prob. 1LOCh. 7 - Prob. 1DACh. 7 - Prob. 1UCh. 7 - Prob. 2UCh. 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 - Prob. 6UCh. 7 - The electrons carried by NADH and FADH2 can be a....Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - What is the importance of fermentation to cellular...Ch. 7 - Prob. 5ACh. 7 - A chemical agent that makes holes in the inner...Ch. 7 - Prob. 7ACh. 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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- Show how the pentose phosphate pathway, which is connected to the glycolytic pathway, can do the following. (a) Make both NADPH and pentose phosphates, in roughly equal amounts (b) Make mostly or only NADPH (c) Make mostly or only pentose phosphatesarrow_forwardWhich of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATParrow_forwardWhich of the following statements is TRUE of the electron transport chain (ETC)? A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient. B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC. C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase. D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.arrow_forward
- Why is it important to regenerate NAD+ during fermentation?a. It helps maintain the reactions of glycolysis.b. So that it can transfer an electron to the electron transport chainc. To maintain the concentration of pyruvate in a celld. To produce alcohol or lactic acid for the cellarrow_forwardSubstrate-level phosphorylation (a) occurs through a chemiosmotic mechanism (b) accounts for most of the ATP formed during aerobic cellular respiration (c) occurs during the conversion of pyruvate to acetyl CoA (d) occurs during glycolysis and the citric acid cycle (e) requires high energyelectrons from NADHarrow_forwardWhat specific reaction cannot occur due to the presence of cyanide? A.Transfer of electrons to co-enzymes B.Inability to strip a carbon from pyruvate C.Transfer of electrons to and between carrier proteins D.Addition of a phosphate onto ADP to make ATParrow_forward
- Why is there a difference in the ATP that is being produced by the NADH molecule coming from Glycolysis which could be 4-6 for 2 NADH molecules? a.The conversion of reduction of NAD+ to NADH is a highly energetic process. b.Glycolysis uses 2 ATP for the production of NADH. c.NADH molecules from Glycolysis is not energetic enough to produce the 3 ATP. d.It will be dependent on the pathway that the NADH will be undergoing.arrow_forwardThe effect of high levels of ADP is to_inv_cellular respiration. a. increase the activity of specific enzymes b. decrease the activity of specific enzymes c. have no effect on the activity of specific enzymes d. slow down the pathwayarrow_forwardExplain why a drug that inhibits NADH production would be deadly to an organism that undergo aerobic cellular respiration.arrow_forward
- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.arrow_forwardWhich of the following pathways requires molecular oxygen (O2)? a. aerobic respiration b. lactate formation c. alcoholic fermentation d. photosynthesisarrow_forwardWhat effect will increasing the number of c subunits in ATP synthase have on the P:O ratio? A. It will increase for both NADH and FADH2. B. It will increase for NADH and decrease for FADH2. C. It will decrease for NADH and increase for FADH2. D. It will decrease for both NADH and FADH2. E. It will remain unchanged for both NADH and FADH2.arrow_forward
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