Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Chapter 2, Problem 41CT
Several antibiotics act by binding to certain essential enzymes in the target bacteria. How might these antibiotics influence the
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The site where a noncompetitive inhibitor
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Active site
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O Allosteric site
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Chapter 2 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 2 - Prob. 1MCCh. 2 - 2. Pick out the correct match(es) of element and...Ch. 2 - Important functions of water include which of the...Ch. 2 - 4. Alkaline substances include which of the...Ch. 2 - Glucose is to starch as a. a steroid is to a...Ch. 2 - 6. What lipid type is stored in fat deposits...Ch. 2 - Absence of which of the following...Ch. 2 - ATP is not associated with a. a basic nucleotide...Ch. 2 - The element essential for normal thyroid function...Ch. 2 - 10. Factors that increase the speed of chemical...
Ch. 2 - Why is a study of basic chemistry essential to...Ch. 2 - Matter occupies space and has mass. Explain how...Ch. 2 - Prob. 13SAECh. 2 - Prob. 14SAECh. 2 - Prob. 15SAECh. 2 - Prob. 16SAECh. 2 - All atoms are neutral. Explain the basis of this...Ch. 2 - Fill in the following table to fully describe an...Ch. 2 - Define radioactivity. If an element has three...Ch. 2 - Prob. 20SAECh. 2 - Prob. 21SAECh. 2 - Prob. 22SAECh. 2 - The two oxygen atoms forming molecules of oxygen...Ch. 2 - Prob. 24SAECh. 2 - 25. Identify each of the following reactions as a...Ch. 2 - Prob. 26SAECh. 2 - Prob. 27SAECh. 2 - 28. Define pH. The pH range of blood is from 7.35...Ch. 2 - Prob. 29SAECh. 2 - Prob. 30SAECh. 2 - Prob. 31SAECh. 2 - Prob. 32SAECh. 2 - 33. Name the two protein classes based on...Ch. 2 - Prob. 34SAECh. 2 - Prob. 35SAECh. 2 - 36. What is the structural unit of nucleic acids?...Ch. 2 - Prob. 37SAECh. 2 - 38. Explain why you can “stack” water slightly...Ch. 2 - Water is a precious natural resource in...Ch. 2 - Explain the unique chemical makeup and...Ch. 2 - 41. Several antibiotics act by binding to certain...Ch. 2 - 42. Mrs. Roberts, who is in a diabetic coma, has...Ch. 2 - Sarah is quite proud of her slender, model-like...Ch. 2 - Prob. 44CTCh. 2 - Prob. 45CT
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- Idris has successfully extracted enzymatic proteins from the fish viscera (intestines and stomach). After homogenization and centrifugation, he managed to pool the crude enzyme extract. He is characterizing the enzymes. Please help Idris by answering the followingquestions:arrow_forwardEnzyme Inhibitors inhibit the activity of the enzyme. i) Competitive Inhibitors: ii) Non-Competitive Inhibitorsarrow_forwardcategorize the following into reversible or irreversible (competitive or non-competitive) inhibitors. No explanation is required, just list the name of the inhibitor. a) Penicillin b) Cyanide c) Aspirin d) Tipranavirarrow_forward
- If an antibiotic were found to bind to a site on an essential bacterial enzyme other than the active site, what would its most likely mode of action be? Is it competitive or non-competitive?arrow_forwardTriclosan is a broad-spectrum antibacterial agent used in many household products. It is structurally similar to polychlorobiphenylol, a substrate that binds to the active site of the enzyme sulfotransferase. Based on these facts, you can conclude that triclosan most likely: lowers the activation energy of chemical reactions. functions as an enzyme when sulfotransferase is absent. is a competitive inhibitor. acts as a noncompetitive inhibitor.arrow_forwardthe type of enzyme inhibition in which covalent bulky adduct prevents catalysis is ? a) uncompetitive b) reversible c) noncompetitive d) competitive e) Irreversiblearrow_forward
- The nonprotein heme group sits in the active site of the hemoglobin enzyme. The heme group facilitates the reaction of the enzyme and is required to be present for the reaction to occur. Select the best answer. Question options: Heme is an example of allosteric inhibition. Heme is an example of a product. Heme is an example of a noncompetitive inhibitor. Heme is an example of a cofactor Heme is an example of a competitive inhibitor.arrow_forwardLabel the image with the following terms: active site, reactant, enzyme.arrow_forwardEach liter of an intranasal antibiotic solution contains 160 mg of gentamicin. You have 2-mL gentamicin vials that contain 40 mg. How many vials will you need if you are to prepare three liters of the antibiotic solution?arrow_forward
- Why do we say "an enzyme is reusable"?arrow_forwardA competitive inhibitor diminishes the rate of catalysis: A) By reducing the proportion of enzyme molecules bound to a substrate. OB) By altering the shape of the active site of the enzyme C) By binding to a regulatory subunit D) By enhancing the interaction between enzyme and reaction productarrow_forwardThe normal human body temperature is 37oC. This represents the optimal enzyme activity within the body. Explain the mechanism and reason why body temperature rises to 39oC when some systematic or superficial infections occur.arrow_forward
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