Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 5, Problem 16SQ
Summary Introduction
To match: The terms with their suitable description.
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Exergonic reactionsa. release potential energy
b. consume energy
c. form bonds
d. occur only outside the cell
Which of the following statements is false? Enzymesa) bind to substrates.b) lower the energy of activation.c) convert coenzymes to products.d) speed up biochemical reactions.e) can be named after the kinds of reaction they catalyze.
In a highly high-temperature environment, you placed an enzyme and some substrates. You've seen that there hasn't been any reaction. Applying what you have learned on enzyme activity, how would you explain what occurred?
A. The enzyme was not placed at a pH level that would allow it to react at its maximum rate.
B. There are not enough enzymes for the reaction to occur.
C. The enzyme may have denatured or broken down due to the high temperature of the environment, resulting in no reaction.
D. There are not enough substrates for reaction to occur.
Substrate concentration affects enzyme activity. Determine what would occur when there are too many substrates and fewer enzymes?
A. No enzyme activity would occur.
B. The reaction rate would continuously increase.
C. The reaction would speed up tremendously.
D. Maximal rate of reaction would occur.
Enzyme activity mainly involves the active site and the substrate. How would you compare the active site from the substrate?
A. The substrate…
Chapter 5 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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 - Which of the following statements is not correct?...Ch. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Prob. 13SQCh. 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 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Prob. 15SQCh. 5 - Prob. 16SQCh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- ________ are always changed by participating in a reaction. a. Enzymes c. Reactants b. Cofactors d. Coenzymesarrow_forwardThe passing of electrons from one molecule to another in a cell is are known as ________. a. coupled transfers b. influx reactions c. redox reactionsarrow_forwardWhen you eat starchy foods resulting in a breakdown to give glucose to the body, you have induced a(n): Group of answer choices ion combustion oxidation-reduction reaction oxygen combustion Ion-reduction reactionarrow_forward
- For reactions to occur there needs to be what level of substrate and enzyme concentrations? Select one: a. Greater amount of substrate b. Lower amount of substrate c. Just the right amount of substratearrow_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_forwardDuring a redox reaction the molecule that gains an electron has been a. reduced and now has a higher energy level. b. oxidized and now has a lower energy level. c. reduced and now has a lower energy level. d. oxidized and now has a higher energy level.arrow_forward
- As you change the pH from a low pH to a high pH what happens to the rate of an enzymatic reaction, in general terms? A The reaction rate will steadily increase as the pH increases. B The reaction rate will steadily decrease as the pH increases. C The reaction rate will start low, then increase, and then decrease again as the pH increases. D The reaction rate will not change as the pH increases.arrow_forwardEnzymes are: A. Broken down in reactions that require energy input. B. Not needed forr catabolic reactions. C. Electron carrier molecules. D. Proteins that function as catalysts. E. All of the choices are correct.arrow_forwardEndergonic reactions do which of the following? Select all that apply. A. Are nonspontaneous B. Consume energy C. Are spontaneous D. Release energyarrow_forward
- . Choose the pair of terms that correctly completesthis sentence: Catabolism is to anabolism as_________ is to _________.(A) exergonic; spontaneous(B) exergonic; endergonic(C) free energy; entropy(D) work; energyarrow_forwardWhy is an enzyme considered "specific"? A. Only one type of enzyme is found in our bodies B. Only certain enzymes can pass through the cell membrane C. Its active site must match the substrate to do its job D. The enzyme can only move from high to low concentrationarrow_forward________ reactions release energy.a. Catabolic b. Exergonicc. Decompositiond. Catabolic, exergonic, and decompositionarrow_forward
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