Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 6, Problem 6FIB
Summary Introduction
Introduction:
Enzymes are defined as the macromolecular, biological catalyst that enhances the rate of
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Some poisons and drugs act by_________ enzymes.When a drug is similar to the enzyme’s substrate, it acts asa(n)_______ inhibitor.
A substance acted upon and changed by anenzyme is called the enzyme’s
The enzyme is *
Chapter 6 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 6.1 - Energy Unleashed Much like a cars engine, the...Ch. 6.1 - What other changes would help reduce fossil fuel...Ch. 6.1 - define energy and work?Ch. 6.1 - Could one design a roller coaster that didnt use...Ch. 6.1 - define potential energy and kinetic energy and...Ch. 6.1 - State and explain the first and second laws of...Ch. 6.2 - Energy Unleashed Marathoners rely on glycogen...Ch. 6.2 - describe how energy is captured and released by...Ch. 6.2 - Is glucose breakdown endergonic or exergonic? What...Ch. 6.2 - explain exergonic and endergonic reactions and...
Ch. 6.2 - explain activation energy?Ch. 6.3 - name and describe two important energy-carrier...Ch. 6.3 - Prob. 1TCCh. 6.3 - explain coupled reactions?Ch. 6.4 - explain how catalysts reduce activation energy?Ch. 6.4 - You may have seen the almost magical glow of...Ch. 6.4 - Can an enzyme catalyst make an endergonic reaction...Ch. 6.4 - explain how enzymes function as biological...Ch. 6.5 - describe how cells regulate the rate at which...Ch. 6.5 - Health Watch Lack of an Enzyme Leads to Lactose...Ch. 6.5 - Prob. 1TCCh. 6.5 - explain how poisons, drugs, and environmental...Ch. 6 - While vacuuming, you show off by telling a friend...Ch. 6 - Prob. 1FIBCh. 6 - Which of the following is True? a. Enzymes...Ch. 6 - Prob. 1RQCh. 6 - Refute the following: According to evolutionary...Ch. 6 - Prob. 2FIBCh. 6 - Prob. 2MCCh. 6 - Prob. 2RQCh. 6 - Can a bear use all the energy contained in the...Ch. 6 - Prob. 3FIBCh. 6 - Prob. 3MCCh. 6 - Prob. 3RQCh. 6 - Prob. 4FIBCh. 6 - Prob. 4MCCh. 6 - Prob. 4RQCh. 6 - Prob. 5FIBCh. 6 - Prob. 5MCCh. 6 - Prob. 5RQCh. 6 - Prob. 6FIBCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQ
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- An inhibitor was added to an enzyme and the expected rate of the reaction was not detected and the substrate was not utilized at all. This inhibitor is (choose one answer only): Is un-competitive, meaning the inhibitor binds to a site near the active site. Is competitive, meaning the inhibitor binds directly to the same active site as the subtrate. Is non-competitive, meaning the inhibitor binds to site other than the active site as the subtrate. Is irreversible, meaning the inhibitor binds covalently to the enzyme keeping the enzyme inactive permanently.arrow_forwardAn organic molecule that catalyzes a chemical reaction, without itself becoming used up or consumed, is the correct definition for which of the following terms? the substrate the enzyme the reactant the ligand the productarrow_forwardAn enzyme will work best in its optimum ( most favorable) pH, which is different for every enzyme. True or falsearrow_forward
- We can increase the rate of a reaction by decreasing the activation energy. And, we can do it by using an enzyme. Explain how enzyme decrease the activation energy.arrow_forwardClassify each specific inhibitor or inhibitor characteristic according to one of two types of inhibition: competitive or noncompetitive.arrow_forwardEnzymes are biological catalysts that decrease the activation energy necessary for a chemical reaction to occur. Can enzyme that do not use cofactor (molecule other than protein) catalyze a redox reaction? Yes or noarrow_forward
- Why is an inhibitor that mimics the transition state more effective enzyme inhibition than an inhibitor that mimics the substrate? Enter your answer herearrow_forwardWhy are irreversible enzyme inhibitors referred to as poisons?arrow_forwardDiscuss an enzyme that acts as a catalyst in a biological system. What reaction(s) does it catalyze? What kinds of problems arise if the enzyme isn't working properly? In what ways is the enzyme's activity regulated? Other interesting facts about the enzyme? Don't forget to cite your source(s).arrow_forward
- All catalysts are enzymes, but not all enzymes are catalysts. true or flasearrow_forwardEnzymes are not used up in chemical reactions, so what exactly does an enzyme do? Refer to activation energy (transition state etc)arrow_forwardThe active site of an enzyme is a small portion of the enzyme molecule. What is the function of the rest of the huge molecule?arrow_forward
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