BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 5, Problem 3SA
Summary Introduction
Introduction:
Energy can be defined as the capacity to do work.
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Entropy____ . a. tends to disperse c. tends to decrease, overall b. is free energy d. is a measure of disorder
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/mol
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:CONCEPTS+APPL.(LOOSELEAF)
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - ________ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - A molecule that donates electrons becomes...
Ch. 5 - Solutes tend to diffuse from a region where they...Ch. 5 - Prob. 12SACh. 5 - A transport protein requires ATP to pump sodium...Ch. 5 - Immerse a human blood cell in a hypotonic...Ch. 5 - Prob. 15SACh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms of entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary enzyme...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- Energy 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_forwardPotential energya. is energy caused by movement of an object.b. is the form of energy that is actually doing work.c. includes energy within chemical bonds.d. can never be converted to kinetic energy.e. All of these are correct.arrow_forwardWhich statements concerning free energy change are true?a. Free energy change is a measure of the rate of a reaction.b. Free energy change is a measure of the maximum amountof work available from a reaction.c. Free energy change is a constant for a reaction under anyconditions.d. Free energy change is related to the equilibrium constantfor a specific reaction.e. Free energy change is equal to zero at equilibrium.arrow_forward
- What statements concerning free energy change are true or false? a. Free energy change is a measure of the rate of a reaction. b. Free energy change is a measure of the maximum amount of work available from a reaction. c. Free energy change is a constant for a reaction under any conditions. d. Free energy is related to the equilibrium constant for a specific reaction. e. Free energy change is equal to zero at equilibriumarrow_forwardthe energy released by ___ reactions is used to run ________ reactions A. ENDERGONIC; ENDERGONIC B. EXERGONIC; ENDERGONIC C. EXERGONIC; EXERGONIC D. ENDERGONIC; EXERGONICarrow_forwardEnergy can be classified into both kinetic energy and potential energy. Which image best illustrates kinetic energy? A baseball in a pitcher's hand. A puck slides past a goalie. A book balances on someone's head. A boulder sits on a cliff. None of these. a. b. C. d. e. a d C barrow_forward
- Define the following terms: a. thermodynamics b. bioenergetics c. entropy d. enthalpy e. free energyarrow_forward________ reactions release energy.a. Catabolic b. Exergonicc. Decompositiond. Catabolic, exergonic, and decompositionarrow_forwardAll chemical reactions are theoretically reversible. However, many biological reactions are irreversible. Which factor(s) contribute to the irreversibility of biological reactions? a. high energy requirementsb. product removalc. state of chemical equilibriumd. a and be. a, b, and carrow_forward
- A substance that has weight and occupies space is calleda. kinetic energy.b. a catalyst.c. matter.d. potential energy.arrow_forwardA reducing chemical reaction ________. a. removes a hydrogen atom from the substrate b. adds an electron to the substrate c. reduces the compound to a simpler formarrow_forwardThe type of energy when the bonds of ATP are broken and energy is released is an example of _____ energy. Select one: a. mechanical b. chemical c. radiant d. electricalarrow_forward
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