Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 6SQ
______ are always changed by participating in a reaction.
- a. Enzymes
- b. Cofactors
- c. Reactants
- d. Coenzymes
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the loss of electrons by one atom or molecule to another
a. oxidation
b. reduction
c. catalysis
d. synthesis
e. degradation
which of the following statements are correct?a. coenzyme is an alternate name for all cofactors
b. metal ions can function as cofactors
c. all conjugated enzymes contain cofactors
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Chapter 5 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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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- Which of the following is not true about enzymes? a. They are consumed by the reactions they catalyze. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardThe entire set of chemical reactions occurring in a living system is referred to as: O a.. Metabolism O b. Anabolism O c. Catabolism Od. Digestionarrow_forwardWhen an enzyme catalyzes a reaction… A. The pH changes B. Substrate concentration is reduced C. Product concentration is reduced D. Substrate concentration is increasedarrow_forward
- Peptide bonds are formed via what type of reaction? A. Condensation B. Hydrolysis C. Oxidation-Reduction D. None of the abovearrow_forwardInactive precursors to enzymes are called: a. Zymogen b. Apoenzyme c. Cofactor d. Isozymesarrow_forwardThe abbreviation, CoA, stands for: Select one: a. Coenzyme A b. Coprotein A c. Cobalt A d. Cofactor Aarrow_forward
- When an enzymatic reaction is in progress, do you expect to see happen to the amount of product? A It will increase as the reaction proceeds. B It will decrease as the reaction proceeds. C The amount will not change as reaction proceeds. D It is not possible to predict what will happen to it as the reaction proceeds.arrow_forwardWhich of the following strategies are used by biological systems to ensure an enzymatic reaction will proceed? a. Addition of reactants b. Coupling with more energetic reactions c. A more positive ∆G d. Removing productsarrow_forwardAll of the following are accurate about enzymes except: A. Enzymes are typically globular proteins with an active site B. Enzymes decrease activation energy C. Enzymes can be used over and over to catalyze a substrate to a product D. Enzymes are versatile and can catalyze different types of chemical reactionsarrow_forward
- Which of the following choices BEST describes metabolism? a. breakdown of biomolecules b. controlled by enzymes and involved ATP c. all of the choices are correct d. synthesis of biomoleculesarrow_forwardOne major difference between inorganic catalysts and organic catalysts is: A. Inorganic catalysts may not be compatible with biological parameters B. Organic catalysts are consumed during the chemical reaction C. Organic catalysts influence the activation energy of a reaction D. Inorganic catalysts decrease the probability a reaction will occurarrow_forwardA(n) ________ speeds up a reaction, while largely remaining unchanged itself. a. amino acid b. protein c. enzymearrow_forward
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