Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 6, Problem 7TY
Summary Introduction
Introduction: ATP (Adenosine triphosphate) and proteins are very important constituents of
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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.
a) Briefly discuss aerobic and anaerobic glycolysis.b) Explain the phenomenon of "induced fit" using hexokinase as an example.c) Explain how enzymes function as molecular catalysts.d) ‘The origin of life is a co‐evolutionary process.’ Briefly explain.e) How does insulin maintain glucose level?
Cells are able to extract energy from glucose during cellular respiration. Which of the following contributes to the release of energy? Answer can be multiple
a
Creating energy by breaking C-H and C-C bonds.
b
Breaking high energy bonds to release their energy.
c
Replacing glucose's high energy bonds with new low energy bonds.
d
The formation of strong C-O and O-H bonds.
Chapter 6 Solutions
Biology
Ch. 6.1 - Which do you think has more entropy, a NaCl...Ch. 6.1 - Prob. 2CCCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 1CSCh. 6.2 - Prob. 1EQCh. 6.2 - Prob. 2EQCh. 6.2 - Prob. 3EQCh. 6.3 - Prob. 1CSCh. 6.3 - Prob. 2CS
Ch. 6.4 - What are advantages of protein degradation?Ch. 6 - Reactions that release free energy are a....Ch. 6 - Enzymes speed up reactions by a. providing...Ch. 6 - Prob. 3TYCh. 6 - Researchers analyzed a cell extracta mixture of...Ch. 6 - In biological systems, ATP functions by a....Ch. 6 - In a chemical reaction, NADH is converted to NAD+...Ch. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Autophagy provides a way for cells to a. degrade...Ch. 6 - Prob. 1CQCh. 6 - Prob. 2CQCh. 6 - Prob. 3CQCh. 6 - Prob. 1COQCh. 6 - Prob. 2COQ
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- Which of the following is not true about enzymes? a. They are consumed by the reactions they catalyze. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardWhich 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 abovearrow_forwardEnzymes have similar responses to both changes in temperature and pH. The effect of both is on the a. rate of movement of the substrate molecules. b. strength of the chemical bonds within the substrate. c. three-dimensional shape of the enzyme. d. rate of movement of the enzyme.arrow_forward
- Which of the following is not true about enzymes?a. They are consumed by the reactions they catalyze.b. They are usually made of amino acids.c. They lower the activation energy of chemical reactions.d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardWhich of the following choices BEST describes metabolism? a. breakdown of biomolecules b. controlled by enzymes and involved ATP c. all of the choices are correct d. synthesis of biomoleculesarrow_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
- Which 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_forwardNAD+ and FAD are examples of a. enzymes. b. high-energy organic molecules that are digested in cellular respiration. c. allosteric inhibitors, which participate in regulating enzymes. d. coenzymes that are required by some enzymes to function.arrow_forwardATP works by A) donating energy B) none of these answers is correct C) donating two negative charges of the hydrolyzed phosphate D) adding ATP to other molecules, such as proteinsarrow_forward
- Energy is released from an ATP molecule for cellular processes when it___ A. Has a phosphate group removed B. Stores an extra phosphate C. Converts a phosphate group to ADP D. Produces a sugar moleculearrow_forwardWhich of the following is associated with the process of ATP re-synthesis during exercise? a. The energy necessary is captured, in part, by the oxidation of electron transporter molecules (NADH, FADH2) b. Reliant upon release of stored energy obtained from dietary intake c. A process that requires energy as a substrate in order to drive the biochemistry of re-synthesis d. Facilitated through a blending of both anaerobic and aerobic metabolic pathways e. All of the above are true f. Only B and D are truearrow_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_forward
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