BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 5, Problem 4SA
Summary Introduction
Introduction:
A certain amount of energy is held in every
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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
Endergonic reactions do which of the following? Select all that apply.
A. Are nonspontaneous
B. Consume energy
C. Are spontaneous
D. Release energy
the energy released by ___ reactions is used to run ________ reactions
A. ENDERGONIC; ENDERGONIC
B. EXERGONIC; ENDERGONIC
C. EXERGONIC; EXERGONIC
D. ENDERGONIC; EXERGONIC
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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- Beginning 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_forwardWhich of the following is not an example of an energy transformation? a. Heating up dinner in a microwave b. Solar panels a work c. Formation of static electricity d. None of the abovearrow_forwardWhat law of chemistry determines how much energy can be transferred when it is converted from one form to another? a. the first law of thermodynamics b. the second law of thermodynamics c. the conservation of matter d. the conservation of energyarrow_forward
- Which of the following is true for all exergonic reactions? Group of answer choices A. The reactions are nonspontaneous B. A net input of energy from the surroundings is required for the reactions to proceed C. Some reactants will be converted to products D. The products have more total energy than the reactants E. The reaction proceeds with a net release of free energyarrow_forwardEnzymes catalyze a chemical reaction by A. decreasing the amount of ATP required to activate a reaction B. increasing the amount of ATP required to activate a reaction C. slowing down the reaction to obtain more products D. increasing the reaction to obtain more products E. decreasing the amount of ATP required and obtaining more products.arrow_forwardWhich About Metabolism Is True A) Spontaneous Reactions Require Enzymes B)Non-Spontaneous Reactions Will Never Occur C)Endergonic Reactions Are Spontaneuos D)Catabollic Reactions Conume Energy To Build A Moleculearrow_forward
- Substance A is converted to substance B in a metabolic reaction. Which statement best describes the role of enzyme during this reaction? A. It dissolves substance A in the reaction medium. B. It speeds up the reaction without it being consumed in the process. C. It provides energy to the reaction system D. It adjusts the pH of the reaction medium.arrow_forwardChoose the best description of an enzyme: (a) It allows a chemical reaction to proceed extremely fast. (b) It increases the rate at which a chemical reaction approaches equilibrium relative to its uncatalyzed rate. (c) It makes a reaction thermodynamically favorable.arrow_forwardenzymes 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_forward
- Reactions that release free energy area. exergonic.b. spontaneous.c. endergonic.d. endothermic.e. both a and b.arrow_forwardWhich of the following is TRUE about the enzymatic catalysis of a chemical reaction? A. It increases the energy of the transition state B. It decreases the free energy ∆G so that a reaction can proceed spontaneously C. It decreases the energy of the transition state D. It increases the forward and reverse ratesarrow_forward________ reactions release energy.a. Catabolic b. Exergonicc. Decompositiond. Catabolic, exergonic, and decompositionarrow_forward
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