Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 3.2, Problem 3.2.1QC
In an exergonic reaction, which has more energy—the reactants or the products?
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An exergonic reaction has which of the following properties?
A) The △G is negative and the reaction is spontaneous.
B) The △G is negative and the reaction is non-spontaneous.
C) The △G is positive and the reaction is spontaneous.
Give an example of each Irreversible and Reversible Reactions?
What are the Determinants of Reaction Rates?
Chapter 3 Solutions
Principles of Human Physiology (6th Edition)
Ch. 3.1 - What is the primary distinction between an...Ch. 3.1 - Describe in general terms what occurs in...Ch. 3.2 - In an exergonic reaction, which has more...Ch. 3.2 - Which factor determines the direction of a...Ch. 3.2 - Prob. 3.2.3QCCh. 3.2 - What is activation energy? How does it affect a...Ch. 3.3 - Prob. 3.3.1QCCh. 3.3 - How is the rate of an enzymatic reaction affected...Ch. 3.3 - What is the primary distinction between allosteric...Ch. 3.5 - Prob. 3.4.1QC
Ch. 3.5 - Prob. 3.4.2QCCh. 3.5 - Prob. 3.4.3QCCh. 3.6 - Prob. 1CTQCh. 3.6 - Prob. 2CTQCh. 3.6 - Prob. 3CTQCh. 3.6 - Prob. 3.5.1QCCh. 3.6 - Prob. 3.5.2QCCh. 3.6 - Prob. 3.5.3QCCh. 3.6 - Prob. 3.5.4QCCh. 3.7 - Prob. 3.6.1QCCh. 3.7 - Prob. 3.6.2QCCh. 3.7 - Prob. 3.6.3QCCh. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10ECh. 3 - The removal of hydrogen atoms from a molecule is...Ch. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Compare and contrast the mechanisms of...Ch. 3 - Explain how the conversion of pyruvate to lactate...Ch. 3 - Prob. 26ECh. 3 - Prob. 27ECh. 3 - As you know, fatty acids can be oxidized to...Ch. 3 - Prob. 29E
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- What energy requirements must be met in order for a reaction to be favorable?arrow_forwardWhat do the following indicators tell you about whether a reaction can proceed as written? (a) The standard free-energy change is positive. (b) The free-energy change is positive. (c) The reaction is exergonicarrow_forwardIn the reaction below, the products have a higher free energy (G) than the reactants. What can you conclude about this reaction? AB + C A) It is endergonic with a negative delta G. 4 B) It is exergonic with a negative delta G. AC + B C) It is endergonic with a positive delta G. E) A and D D) It will proceed more quickly in the presence of a catalyst. F) B and D G) C and Darrow_forward
- enzymes are efficient catalysts because they can do which of the following? A) catalyze reactions that ottherwise would not occur. B) decrease the free energy of activation of reactions, C) decrease the standard free energy change o reactions , D) prevent the conversion of product to substrate, E) shift the equilibrium of reactions toward more complete inversion of productarrow_forwardFor this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.arrow_forwardHow does INCREASING temperature affect the rate of reaction (how fast the reaction occurs)? HINT: there are TWO effects.arrow_forward
- Distinguish between exergonic and endergonic reactions, and give examples of how they may be coupled.arrow_forwardWhich curve represents the spontaneous reaction, and which the nonspontaneous?arrow_forwardEnzymes are biological catalysts that fulfill the following general reaction mechanism: E+S [ES] [EP] E + P Where E is enzyme, S is substrate, and P is product. Briefly describe how an enzyme is able to speed of the rate of a reaction:arrow_forward
- For the following reactions, name both the enzyme that catalyzes the reaction and the required coenzyme:arrow_forwardLabel the following statements true or false: (c) A nonspontaneous reaction will proceed spontaneously in the reverse direction. (d) A spontaneous process can occur with a large decrease in entropy.arrow_forwardWhich reactions tend to be characterized by an increase in entropy: condensation or hydrolysis reactions?arrow_forward
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