CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
15th Edition
ISBN: 9781269930741
Author: Reece
Publisher: PEARSON C
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Textbook Question
Chapter 6, Problem 4TYK
Which of the following is the most immediate source of energy for making most of the ATP in your cells?
a. the transfer of 
from intermediate substrates to ADP
b. the movement of H+ across a membrane down its concentration gradient
c. the splitting of glucose into two molecules of pyruvate
d. electrons moving through the electron transport chain
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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
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 process
Which 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.
Chapter 6 Solutions
CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
Ch. 6 - Fill in the blanks in this summary map to help you...Ch. 6 - A biochemist wanted to study how various...Ch. 6 - In glycolysis, _____ is oxidized and _____ is...Ch. 6 - Which of the following is the most immediate...Ch. 6 - Which of the following is a true distinction...Ch. 6 - The poison cyanide binds to an electron carrier...Ch. 6 - In which of the following is the first molecule...Ch. 6 - Which of the three stages of cellular respiration...Ch. 6 - Compare and contrast fermentation as it occurs in...Ch. 6 - Prob. 10TYK
Ch. 6 - Prob. 11TYKCh. 6 - Prob. 12TYKCh. 6 - In the citric acid cycle, an enzyme oxidizes...Ch. 6 - ATP synthase enzymes are found in the prokaryotic...Ch. 6 - 15. SCIENTIFIC THINKING Several studies have found...Ch. 6 - For a short time in the 1930s, some physicians...Ch. 6 - Explain how the mechanism of brown fat metabolism...
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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 ATParrow_forwardIn which metabolic pathway is a glucose molecule split into two molecules of pyruvic acid? Group of answer choices A. In the Electron Transport Chain B. In Glycolysis C. In the Citric Acid Cyclearrow_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
- 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_forwardWhich of the following statements is true? A. The citric acid cycle occurs in the mitochondria matrix B. The citric acid cycle occurs in the cytosol C. Electron transport chain and ATP synthase are in the cytosol D. Oxidative phosphorylation occurs in the mitochondria matrixarrow_forwardWhich of the following statements about the generation of ATP in the electron transport chain is correct? a. The generation of ATP from ADP coupled to electron transfer occurs by substrate level phosphorylation as in glycolysis. b. ATP synthase generation of ATP involves a rotating structure inside the inner mitochondrial membrane. c. ATP synthase generation of ATP involves a rotating structure outside the inner mitochondrial membrane. d. Electron transport generates a proton gradient across the outer mitochondrial membrane.arrow_forward
- Which statement about the ATP synthase is false? a. It is a rotary machine b. It is located in the inner mitochondrial membrane c. It can make ATP, or it can break ATP down d. It only contains membrane-embedded regionsarrow_forwardDuring aerobic respiration, high energy electrons are taken from glucose and transferred to electron carriers. The cell then uses the energy from these electrons to: A) pump hydrogen ions across the inner mitochondrial membrane B) produce oxygen C) produce carbon dioxide D) make glucose E) reduce electron carriersarrow_forwardThe hydrolysis of ATP drives three types of cellular work. Which of the following is not an example of how to cell uses ATP? * a) The movement of cells. b) The transport of sodium as part of the sodium-potassium pump. c) The breakdown of glucose into smaller molecules. d) Anabolic reactions that build molecules.arrow_forward
- What happens during glycolysis, the first stage of cellular respiration? A. Glucose is broken down gradually via several enzyme-controlled steps. B. All of these C. A small amount of ATP is produced D. NADH, an electron carrier is produced E. Glucose is split to form two molecules of pyruvatearrow_forwardIf 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_forwardThermogenin in the inner membrane of brown fat cell mitochondria does all of the following except A) decrease the proton gradient. B) uncouple ATP synthesis from electron transport. C) generate heat. D) decrease ATP synthesis. E) increase ATP synthesisarrow_forward
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