Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 8, Problem 2MCQ
An enzyme
- a. becomes part of the final products.
- b. is nonspecific for substrate.
- c. is consumed by the reaction.
- d. is heat and pH labile.
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An enzymea. becomes part of the final products.b. is nonspecific for substrate.c. is consumed by the reaction.d. is heat and pH labile.
When an enzyme catalyzes a reaction… A. The pH changes B. Substrate concentration is reduced C. Product concentration is reduced D. Substrate concentration is increased
An Enzyme..
A. Becomes part of the final products
B. Is consumed by the reaction
C. Is nonspecfic for substrate
D. is heat & pH sensitive
Chapter 8 Solutions
Microbiology: A Systems Approach
Ch. 8.1 - Describe the relationship among metabolism,...Ch. 8.1 - Fully discuss the structure and function of...Ch. 8.1 - Differentiate between an apoenzyme and a...Ch. 8.1 - Differentiate between an endoenzyme and an...Ch. 8.1 - Diagram the four major patterns of metabolism.Ch. 8.1 - Describe how enzymes are controlled.Ch. 8.2 - Name the chemical in which energy is stored in...Ch. 8.2 - Create a general diagram of a redox reaction.Ch. 8.2 - Identify electron carriers used by cells.Ch. 8.3 - Prob. 2CF
Ch. 8.3 - List three basic catabolic pathways and the...Ch. 8.3 - Construct a paragraph summarizing glycolysis.Ch. 8.3 - Describe the Krebs cycle and compare the process...Ch. 8.3 - Discuss the significance of the electron transport...Ch. 8.3 - State two ways in which anaerobic respiration...Ch. 8.3 - Summarize the steps of microbial fermentation and...Ch. 8.3 - Prob. 16AYPCh. 8.4 - Prob. 17AYPCh. 8.4 - Define amphibolism.Ch. 8.5 - Summarize the overall process of photosynthesis in...Ch. 8.5 - Discuss the relationship between light-dependent...Ch. 8.5 - Explain the role of the Calvin cycle in the...Ch. 8 - Prob. 1CFCh. 8 - Prob. 1MCQCh. 8 - An enzyme a. becomes part of the final products....Ch. 8 - An apoenzyme is where the ____ is located. a....Ch. 8 - Many coenzymes are a. metals. b. vitamins. c....Ch. 8 - Prob. 5MCQCh. 8 - Energy is carried from catabolic to anabolic...Ch. 8 - A product or products of glycolysis is/are a. ATP....Ch. 8 - Prob. 8MCQCh. 8 - Complete oxidation of glucose in aerobic...Ch. 8 - ATP synthase complexes can generate ______ ATP(s)...Ch. 8 - True-False Questions. If the statement is true,...Ch. 8 - An enzyme lowers the activation energy required...Ch. 8 - One cycle of fermentation yields more energy than...Ch. 8 - Energy in biological systems is primarily...Ch. 8 - Exoenzymes are produced outside the cell.Ch. 8 - Prob. 1CTQCh. 8 - Prob. 2CTQCh. 8 - Prob. 3CTQCh. 8 - Prob. 4CTQCh. 8 - Prob. 5CTQCh. 8 - Prob. 6CTQCh. 8 - Prob. 7CTQCh. 8 - Prob. 8CTQCh. 8 - Prob. 9CTQCh. 8 - Provide evidence in support of or refuting the...Ch. 8 - Prob. 1CCCh. 8 - Prob. 2CCCh. 8 - Prob. 3CCCh. 8 - From chapter 4, figure 4.16. On the enlarged...Ch. 8 - Using the words that follow, please create a...
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- Which of the following is NOT true of enzymes? A. Made of protein B. Made of carbohydrates. C. React with a substrate D. Are not altered with reactions.arrow_forwardAn allosteric site is the location on an enzyme’s surface wherea. the substrate binds.b. the signal molecule binds.c. catalysis takes place.d. ATP binds.arrow_forwardWhen 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_forward
- When an enzymatic reaction is in progress, do you expect to see happen to the amount of substrate? 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_forwardThe active site of an enzymea. is identical in structure for all enzymes.b. is the part of the enzyme where its substrate can fit.c. can be used only once.d. is not affected by environmental factors, such as pH and temperature.arrow_forwardINSTRUCTIONS - Answer the following multiple-choice questions and EXPLAIN in 3-5 sentences why you chose that answer. Answer properly -arrow_forward
- Enzymes 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_forwardFor 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 of the following accurately describes how an enzyme functions? a. reduces the energy content of the products b. allows for the exothermic reaction of materials that are usually endothermic c. changes the reaction mechanism effectively reducing the activation energy d. shifts the equilibrium for the reactionarrow_forward
- Inactive precursors to enzymes are called: a. Zymogen b. Apoenzyme c. Cofactor d. Isozymesarrow_forwardWhich of these statements concerning enzymes is correct? a. Enzymes increase the rate of reactions but are permanently changed as a result. b. Enzymes are proteins that function as catalysts. c. Enzymes increase the activation energy requirement for a reaction to occur. d. Enzymes usually can only double the rate of a chemical reaction. e. Enzymes increase the kinetic energy of the reactants.arrow_forwardThe transition state means that: a. fewer molecules have the energy required to reach the transition state. b. more product will be formed faster. c. more molecules of the enzyme are needed. d. more molecules of the transition state will form more substrate. e. more molecules have the energy required to reach the product.arrow_forward
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