Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 8, Problem 4TYK
Summary Introduction
Introduction: In a biochemical reaction, free energy (G) is defined as the amount of energy available to perform work. Entropy (S) is a measure of how much energy a particular system has dispersed. The entropy of the system increases on heat dispersal, as molecule tends to disperse. This is a measure of randomness. Enthalpy (H) is the change in the energy of a
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Which of the following statements concerning ATP is true? a. The free energy value for the hydrolysis of ATP is nearly the same for ADP. b. The free energy value for the hydrolysis of ATP is greater than that for ADP. c. ATP hydrolysis is more likely at pH 5 than at pH 7. d. One mole of glycerate-1,3-bisphosphate can phosphorylate one mole of AMP to yield ATP.
Which of the following statements correctly describe(s) the reaction:
ADP + Pi + H+ → ATP + H2O ΔG°'= +7.29 kcalmolkcalmol
A. ATP is less stable than ADP.
B. Hydrolysis of ATP is spontaneous.
C. Phosphorylation of ADP is nonspontaneous.
D. Conversion of ATP to ADP will release heat.
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.
Chapter 8 Solutions
Study Guide for Campbell Biology
Ch. 8 - Complete the following concept map that summarizes...Ch. 8 - Complete the following table to indicate how the...Ch. 8 - Develop a concept map on free energy and G. The...Ch. 8 - Prob. 4IQCh. 8 - Prob. 5IQCh. 8 - In the following graph of an exergonic reaction...Ch. 8 - In the following diagram of a catalytic cycle,...Ch. 8 - Return to the diagram in Interactive Question 3.7,...Ch. 8 - Both ATP and ADP serve as regulators of enzyme...Ch. 8 - What is the relationship between the concept of...
Ch. 8 - What role do enzymes play in metabolism?Ch. 8 - ________ the totality of an organisms chemical...Ch. 8 - _______ pathways that use energy to synthesize...Ch. 8 - Prob. 3TYKFCh. 8 - _______ the most random form of energyCh. 8 - _______ term for the measure of disorder or...Ch. 8 - Prob. 6TYKFCh. 8 - _______ inhibitors that decrease an enzymes...Ch. 8 - Prob. 8TYKFCh. 8 - Prob. 9TYKFCh. 8 - Prob. 10TYKFCh. 8 - Catabolic and anabolic pathways are often coupled...Ch. 8 - Which statement most closely reflects the first...Ch. 8 - When a cell breaks down glucose, only about 34% of...Ch. 8 - Prob. 4TYKCh. 8 - Prob. 5TYKCh. 8 - Prob. 6TYKCh. 8 - One way in which a cell maintains metabolic...Ch. 8 - Prob. 8TYKCh. 8 - Prob. 9TYKCh. 8 - What is meant by an induced fit? a. The binding of...Ch. 8 - In an experiment, changing the pH from 7 to 6...Ch. 8 - Prob. 12TYKCh. 8 - Penicillin binds to the active site of an enzyme...Ch. 8 - Prob. 14TYKCh. 8 - Prob. 15TYKCh. 8 - Which line in the diagram indicates the G of the...Ch. 8 - Prob. 17TYKCh. 8 - Prob. 18TYKCh. 8 - Prob. 19TYKCh. 8 - Prob. 20TYK
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- The production of ATP (cellular respiration) is actually a(n). However, the reaction requires the breakdown of Glucose, which is energetically, 15. rxn. a. endergonic : exergonic b. exergonic : endergonic c. catabolic : neutral d. dehydration : unstable is NOT LIvolved in co stgnaling?arrow_forwardMany cells oxidize fatty acids to produce ATP. If no ATP were produced, the ΔG°' of this process would be a.impossible to determine b.a larger positive number c.a larger negative number d.unchangedarrow_forwardCells use ATP to drive endergonic reactions because a. ATP is the universal catalyst. b. energy released by ATP hydrolysis makes ΔG for coupled reactions more negative. c. energy released by ATP hydrolysis makes ΔG for coupled reactions more positive. d. the conversion of ATP to ADP is also endergonic.arrow_forward
- Which of the following statement about the enzyme thermodynamics is TRUE? a. Enzymes increase the activation barrier (∆G cat) of the products b. Enzymes decrease the activation barrier (∆G cat) of the products c. Enzymes decrease the free energy (∆G) of the products d. Enzymes decrease the free energy (∆G) of the reactants e. Enzymes increase the activation barrier (∆G cat) of the reactantsarrow_forwardWhich of the following is true of metabolism? A. Degradative reactions require an input of energy. B. Synthetic pathways are anabolic. C. Catabolism and anabolism are linked by O2. D. Catabolic reactions require the breakdown of ATP, and anabolic reactions generate ATP.arrow_forwardThe equation for cellular respiration is shown. CAH1206 + 6 02 08 6 H20 + 6 CO2+ energy (ATP) a. Is the glucose oxidized or reduced? (first blank) b. Is it catabolism or anabolism? [second blank] c. What "energy currency" molecule is produced in this equation? [third blank] Question 2 4 Listen Anabolism refers to chemical reactions in which molecules and energy is molecules are converted intoarrow_forward
- ΔG° indicates the change in the standard free energy as a reactant is converted to product. Given what you know about these values, which reaction below is the most favorable?A. ADP + Pi → ATP ΔG° = +7.3 kcal/moleB. glucose 1-phosphate → glucose 6-phosphate ΔG° = −1.7 kcal/moleC. glucose + fructose → sucrose ΔG° = +5.5 kcal/moleD. glucose → CO2 + H2O ΔG° = −686 kcal/molearrow_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_forwardExergonic reactionsa. are spontaneous.b. have a negative ΔG value.c. release energy.d. All of these are correct.arrow_forward
- If glucose labeled with 14C in C-1 is metabolized to ethanol and CO2 via fermentation, which carbon will contain 14C in: a. The CO2 b. the carbon atom carrying the OH of ethanol c. the carbonyl carbon atom of ethanol d. the methyl carbon atom of ethanolarrow_forwardWhich of the following is true about cell potential? a. It is the sum of the oxidation and reduction potentials b. It is the average of the oxidation and reduction potentials c. It is the reduction potential multiplied by the oxidation potential. d. It is the difference between the reduction and oxidation potentials.arrow_forwardThe production of ATP (cellular respiration) is actually a(n) rxn. However, the reaction requires the of Glucose. A. catabolic : anabolism B. anabolic : catabolism C. exergonic : endergonic conversion D. hydrolytic : dehydrationarrow_forward
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What is Metabolism?; Author: Stated Clearly;https://www.youtube.com/watch?v=nRq6N5NGD1U;License: Standard youtube license