Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 6, Problem 24CTQ
Explain in your own words how enzyme feedback inhibition benefits a cell.
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Explain how enzymes are regulated by feedback inhibition.
Describe the mechanism of feedback inhibition and the role this process plays in controlling enzyme activity.
Describe the mechanisms used by cellsto regulate enzyme activity.
Chapter 6 Solutions
Biology 2e
Ch. 6 - Figure 6.8 Look at each of the processes shown,...Ch. 6 - Figure 6.10 If no activation energy were required...Ch. 6 - Figure 6.14 The hydrolysis of one ATP molecule...Ch. 6 - Energy is stored long-term in the bonds of and...Ch. 6 - DNA replication involves unwinding two strands of...Ch. 6 - Consider a pendulum swinging. Which type(s) of...Ch. 6 - Which of the following comparisons or contrasts...Ch. 6 - Which of the following is the best way to judge...Ch. 6 - Which of the following is not an example of an...Ch. 6 - In each of the three systems, determine the state...
Ch. 6 - The energy released by the hydrolysis of ATP is...Ch. 6 - Which of the following molecules is likely to have...Ch. 6 - Which of the following is not true about enzymes...Ch. 6 - An allosteric inhibitor does which of the...Ch. 6 - Which of the following analogies best describes...Ch. 6 - Does physical exercise involve anabolic and/or...Ch. 6 - Name two different cellular functions that require...Ch. 6 - Explain in your own words the difference between a...Ch. 6 - Describe the position of the transition state on a...Ch. 6 - Imagine an elaborate ant farm with tunnels and...Ch. 6 - Energy transfers take place constantly in everyday...Ch. 6 - Do you think that the Ea for ATP hydrolysis is...Ch. 6 - With regard to enzymes, why are vitamins necessary...Ch. 6 - Explain in your own words how enzyme feedback...
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- Describe enzyme inhibition.arrow_forwardFactors that affect the activity of an enzyme molecule includea. the potential energy stored in the reactant molecules.b. size of the cell.c. temperature and pH.d. entropyarrow_forwardWe 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_forward
- Why 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_forwardExplain how an enzyme functions (activation energy, active site).arrow_forwardExplain how the following mechanisms regulate enzyme activity.(a) Covalent modification (b) Genetic control(c) Allosteric regulation (d) Feedback inhibitionarrow_forward
- Give some examples of cofactors, and also of mechanisms bywhich cofactors affect enzyme functionarrow_forwardA very special property of enzymes is Feedback inhibition. What is feedback inhibition? Draw a hypothetical cyclic pathway where in there are 7 reactions to show feedback inhibition.arrow_forwardDistinguish between competitive and noncompetitive allosteric feedback inhibition.arrow_forward
- List and explain two ways that cells regulate an enzyme or a metabolic pathway.arrow_forwardthe type of enzyme inhibition in which covalent bulky adduct prevents catalysis is ? a) uncompetitive b) reversible c) noncompetitive d) competitive e) Irreversiblearrow_forwardDescribe how enzymes speed up chemical reactions (both energetically and physically!), and how they affect the energy and equilibrium of a reaction. Describe 6 different physical and chemical factors that can regulate enzyme activity.arrow_forward
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Enzyme Kinetics; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=FXWZr3mscUo;License: Standard Youtube License