Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 7, Problem 3TY
Summary Introduction
Introduction: Glucose molecules enter the glycolytic pathway and get converted to two three-carbon molecules of pyruvate. Energy in the form of ATP and NADH is produced during glycolysis. This helps in
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Which 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 ATP
Which of the following is true of the ATP Synthase in the mitochondria?
a
It is an enzyme.
b
It can catalyze either phosphorylation of ADP or dephosphorylation of ATP.
c
It is a proton transporter.
d
All of the above
Indicate at what step in the glycolysis pathway each of the following events occur:
a. Second formation of ATP occurs
b. Second “energy-rich” compound is produced
c. Second time ATP is converted to ADP
d. A hydration reaction occurs
Chapter 7 Solutions
Biology
Ch. 7.2 - Core Skill: Connections Look ahead to Table 45.1....Ch. 7.2 - Which organic molecules donate a phosphate group...Ch. 7.2 - Prob. 2CSCh. 7.4 - Prob. 1CCCh. 7.5 - Explain the meaning of the name cytochrome...Ch. 7.6 - Prob. 1CCCh. 7.6 - Prob. 1CSCh. 7.6 - Prob. 1EQCh. 7.6 - CoreSKILL In the experiment of Figure 7.13, what...Ch. 7.6 - Prob. 3EQ
Ch. 7.7 - Prob. 1CCCh. 7 - Which of the following pathways occurs in the...Ch. 7 - Prob. 2TYCh. 7 - Prob. 3TYCh. 7 - Which organic molecule supplies a two-carbon group...Ch. 7 - The ability to diagnose tumors using...Ch. 7 - Prob. 6TYCh. 7 - Certain drugs, which are called ionophores, cause...Ch. 7 - Prob. 8TYCh. 7 - Prob. 9TYCh. 7 - Prob. 10TYCh. 7 - Prob. 1CQCh. 7 - What causes the rotation of the subunit of ATP...Ch. 7 - Core Concept: Energy and Matter How is glucose...Ch. 7 - Discuss the advantages and disadvantages of...Ch. 7 - Prob. 2COQ
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Similar questions
- Which of the following is NOT true of the electron transport chain? a. It produces NADH, as a result of electrons being transferred from glucose to NAD+ b. End products include CO2, water, and pyruvate c. It allows for the controlled release of energy for ATP synthesis d. It is part of the oxidative phosphorylation processarrow_forwardGlycolysis "uses" ATP by: A. substrate-level phosphorylation B. oxidative phosphorylation C. reducing CO2 D. anabolismarrow_forwardWhich of the following statements is a lie?Select one:a.Specific enzymes in the electron transport chain are unaffected by feedback inhibition.b.Elevated levels of ADP will increase pathway activity in the electron transport chain.c.The rate of transport of electrons through the electron transport chain is regulated by feedback inhibition.arrow_forward
- If you ran a molecule through each of these processes, when would the MOST reduced carbon compound be found? A. Start of glycolysis B. Start of electron transport chain C. End of chemiosmosis D. End of citric acid cyclearrow_forwardWhich of the following statements concerning ATP synthesis is NOT true? a. The open conformation of the ATP synthase is for releasing ATP. b. The gamma subunit in the stalk responds to the flow of H+ and rotates the assembly counterclockwise and thus change the conformations of the active site to synthesize ATP. c. The tight conformation of the ATP synthase is for converting ADP and phosphate to ATP. d. The loose conformation of the ATP synthase is for binding ADP and phosphate. e. Ten protons are required to catalyze the rotation of the subunits so that one ATP is synthesized. Clear my choicearrow_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_forward
- What 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_forwardWhich of the following is likely to happen in a muscle cell in an anaerobic environment? Question 9 options: a) The conversion of pyruvic acid to lactic acid b) The Krebs Cycle c) Photosynthesis d) The conversion of pyruvic acid to Acetyl CoAarrow_forwardWhich of the following is incorrect about the ATP synthase mechanism? a. It explains how ATP is hydrolyzed into ADP and Pi b. At any moment, each catalytic site has a different conformation and binding affinity c. It is called the binding change mechanism d. It involves rotation-driven conformational changes that alter the affinity of each catalytic subunitarrow_forward
- Which of these statements about ATP is true?a.The bond joining ADP and the third phosphate is a high-energy bond.b.The formation of ATP is coupled to energy-liberating reactions.c.The conversion of ATP to ADP and Pi provides energy for biosynthesis, cell movement, and other cellular processes that require energy.d.ATP is the “universal energy carrier” of cells.e. .All of these are true.arrow_forwardOligomycin is a substance that prevents the ATP synthesis reaction in oxidative phosphorylation, and 2,4-dinitrophenol is an uncoupling agent. In the presence of oligomycin, what would be the effect of adding 2,4-dinitrophenol? A) O2 consumption will increase. B) Electron transfer will be blocked. C) Oxidative phosphorylation will occur. D) Production of water will decrease.arrow_forwardDuring cell respiration, what happens to the strength of the bonds between atoms in glucose vs those in the products water and carbon dioxide? Choose all answers that are correct. a. the carbon-hydrogen bonds in glucose are stronger than the carbon-oxygen bonds in carbon dioxide b. an oxidizing agent c.the carbon-hydrogen bonds in glucose are weaker than the carbon-oxygen bonds in carbon dioxide d.the carbon-hydrogen bonds in glucose are weaker than the oxygen-hydrogen bonds in water e.the carbon-hydrogen bonds in glucose are stronger than the oxygen-hydrogen bonds in waterarrow_forward
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