Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 9, Problem 17RQ
What is the effect of an inhibitor binding an enzyme?
- The enzyme is degraded.
- The enzyme is activated.
- The enzyme is inactivated.
- The complex is transported out of the cell
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Check out a sample textbook solutionStudents have asked these similar questions
The site where a noncompetitive inhibitor
binds to an enzyme is called:
Active site
Receptor site
Coenzyme
O Allosteric site
Enzyme linked receptors:
PMSF is a protease inhibitor that binds to enzyme active site. What is the
possible mode of inhibition?
Competitive
O Irreversible
O Non-competitive
O Mixed
Why are irreversible enzyme inhibitors referred to as poisons?
Chapter 9 Solutions
Biology 2e
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- In the diagram below, the orange circle represents an effector and the dark purple shapes (both the diamond and the rod) represent a substrate. Based on this information, which statement(s) about the diagram is/are true? Select all that apply. A Allosteric site B Allosteric site C Allosteric site Allosteric effector Active site Allosteric effector Active site, Allosteric effector Novel binding sitearrow_forwardInducers and repressors Both of them increase in the rate of enzyme synthesis Both of them decrease in the rate of enzyme synthesis They control the enzyme quantity They control the enzyme activityarrow_forwardWhat are the cellular advantages to feedback inhibition?arrow_forward
- List three ways to alter the rate of an enzyme-mediated reaction.arrow_forwardA signal peptide is found at the N-terminus of a newly generated protein's polypeptide chain. Which is not possible? Options: This protein is a sodium/potassium pump This protein is a membrane receptor This protein is the protein kinase A This protein is insulin This protein is an ion channelarrow_forwardWhy would a covalent inhibitor act to deplete an enzyme and not merely modify its activity?arrow_forward
- Which of the following is not a mechanism of enzyme regulation? Activation by proteolysis O Multiple forms of enzymes Transfigural control Reversible covalent modification Allosteryarrow_forwardA molecule that changes an enzyme's conformation so that its active site elsewhere on the enzyme can no longer bind substrate is known as a(n): Question 9 options: Topoisomerase Allosteric inhibitor Allosteric enhancer Competitive blockerarrow_forwardDrag the terms on the left to the appropriate blanks on the right to complete the sentences. Terms can be used once, more than once, or not at all. Submit dCTP GMP AMP GTP dTTP activation inhibition dGTP My Answers Give Up UTP + Gln + ATP → CTP + Glu+ ADP + P₁. Cofactor: dCMP + H₂O →→→→DUMP + NH3. Cofactor: CDP+ [2H] → dCDP+ H₂O. Cofactor: Effect: Effect: Effect: Reset Helparrow_forward
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