Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 5, Problem 5SQ
Summary Introduction
Introduction: Activation energy is the lowest amount of energy necessary to start a reaction. Endergonic reaction describes the net input of free energy to proceed. The Gibbs free energy for the endergonic reaction is positive.
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the energy released by ___ reactions is used to run ________ reactions
A. ENDERGONIC; ENDERGONIC
B. EXERGONIC; ENDERGONIC
C. EXERGONIC; EXERGONIC
D. ENDERGONIC; EXERGONIC
Fill in the blanks by writing the name of the definition:
In a __________ reaction the transfer of electrons takes place
a.
Precipitation
b.
Decomposition
c.
redox
d.
displacement
If we liken a chemical reaction to an energy hill, then a(n)_______ reaction is, overall, a downhill run. a. exergonic c. catalytic b. endergonic d. both a and c
Chapter 5 Solutions
Biology: The Unity and Diversity of Life
Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - ______ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...
Ch. 5 - Prob. 8SQCh. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...Ch. 5 - Solutes tend to diffuse from a region where they...Ch. 5 - Prob. 12SQCh. 5 - A transport protein requires ATP to pump sodium...Ch. 5 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Match each tern with its most suitable...Ch. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - What is a redox reaction?Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- Energy is carried from catabolic to anabolic reactions in the formof ________________ .a. ADP b. high-energy ATP bonds c. coenzymes d. inorganic phosphatearrow_forward________ reactions release energy.a. Catabolic b. Exergonicc. Decompositiond. Catabolic, exergonic, and decompositionarrow_forwardthe loss of electrons by one atom or molecule to another a. oxidation b. reduction c. catalysis d. synthesis e. degradationarrow_forward
- ____________is another term for biosynthesis.a. Catabolism b. Anabolism c. Metabolism d. Catalystarrow_forwardEnergy is defined as the ability to cause change. Which is the best reason why? Because energy influences everything. а. b. Because some form of energy is required to produce a change. С. Because energy is everywhere. d. Because energy can change forms.arrow_forwardExergonic reaction absorbs free energy from its surroundings. a. False O b. Truearrow_forward
- This is an _____ reaction since energy must be added to create product The potential energy of the reactants is ______ The potential energy of the products is ______ The change in potential energy, ΔE, is _____ A. exothermic B. endothermic C. unthermic D. 15 kcal/mol E. 40 kcal/mol F. 25 kcal/mol G. 50 kcal/mol H. 10 kcal/molarrow_forwardBeginning physics students are often taught the basic concepts of thermodynamics with two phrases: First, you can never win. Second, you can never break even. Explain.arrow_forwardA substance that increases the rate of a chemical reaction without itself being used up in the reaction is called______. a. Reagents b. Enzymes c. Catalysts d. Activators e. Reactorsarrow_forward
- Which of the following increases the rate of a reaction? a. cold temperatures b. solid reactants c. increased reactant concentration d. absence of a catalystarrow_forwardExplain the energy system involved (This is all about Energy System: Anaerobic - Phosphocreatine). a. Doing a push up b. Lifting a weightarrow_forwardThe active site _______________. a. is the compound that an enzyme reacts with during the chemical reaction.b. is where the reactants bind.c. is another term for “substrate.”d. is the term for an enzyme that has returned to its original state after achemical reaction.arrow_forward
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