![General, Organic, and Biological Chemistry](https://www.bartleby.com/isbn_cover_images/9781285853918/9781285853918_largeCoverImage.gif)
Concept explainers
(a)
Interpretation: The process which occurs during the covalent modification of an enzyme using phosphorylation reaction has to be stated.
Concept introduction: The process of covalently modifying the structure of enzyme by linking or removing a group from the amino acid within the structure of enzyme is called covalent modification. This process alters the activity of the enzyme.
(b)
Interpretation: The process which occurs during the covalent modification of an enzyme using a phosphatase enzyme has to be stated.
Concept introduction: The process of covalently modifying the structure of enzyme by linking or removing a group from the amino acid within the structure of enzyme is called covalent modification. This process alters the activity of the enzyme.
![Check Mark](/static/check-mark.png)
Trending nowThis is a popular solution!
![Blurred answer](/static/blurred-answer.jpg)
Chapter 21 Solutions
General, Organic, and Biological Chemistry
- What is the general role of enzymes in the human body?arrow_forwardThe site on an enzyme molecule that does the catalytic work is called the: a. binding site. b. allosteric site. c. lock. d. active site.arrow_forwardDescribe the importance of zymogens in the body. Give an example of an enzyme that has a zymogen.arrow_forward
- The human body has an average pH of about 7 and a temperature of about 37C. Use graphs to illustrate enzyme activity in the human body as a function of the following: a. Substrate concentration b. Enzyme concentration c. pH include pH optimum value d. Temperature include temperature optimum valuearrow_forwardWrite a brief description of the relationships among each of the following groups of terms or phrases. Answers to the Concept-Linking Exercises are given at the end of the chapter. Enzyme, enzyme substrate, active site, induced fit modelarrow_forwardDescribe the difference between graphs showing temperature versus reaction rate for an enzyme-catalyzed reaction and an uncatalyzed reaction.arrow_forward
- Which of the following is not a characteristic of enzymes? a. They are macromolecules. b. They act on substances. c. They are phospholipids. d. They initiate and decelerate chemical reactions. e. They act as catalysts.arrow_forwardThe process by which an enzyme acts on the substrate can be described by the: a. lock-and-key model. b. enzyme-and-substrate model. c. enzyme folding model. d. catalytic model.arrow_forward1. Which of the following DOES NOT describes enzymes? A. A specific enzyme can react with different substrates B. Consumed during the process of metabolism of biomolecules C. Found in both biological and inorganic reactions in the body D. Usually proteins that control rate of reactions in biological compounds 2. How does a catalyst increase the rate of a chemical reaction? A. changing the concentration of reactants B. decreasing the heat of reaction C. increasing kinetic energy D. providing an alternate reaction mechanismarrow_forward
- Substrates are held in place at the active site of an enzyme with: A. Weak, noncovalent, reversible interactions B. Strong, covalent, reversible interactions C. Weak, noncovalent, irreversible interactions D. Weak, covalent, reversible interactionsarrow_forwardA catalase is an antioxidant enzyme that requires ferric ion for catalysis. Under conditions of iron deficiency, when the catalase lacks ferric ion, it would be referred to as: a. coenzyme b. apoenzyme c. prosthetic group d. holoenzymearrow_forwardA type of enzyme regulation, where a product acts as an inhibitor molecule, iscalledinhibition.a. feedback b. end productc. competitive d. zymogenicarrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div
![Text book image](https://www.bartleby.com/isbn_cover_images/9781285853918/9781285853918_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305081079/9781305081079_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305960060/9781305960060_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337399425/9781337399425_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133109655/9781133109655_smallCoverImage.jpg)
![Text book image](https://www.bartleby.com/isbn_cover_images/9780618562763/9780618562763_smallCoverImage.gif)