Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 7.6, Problem 4C
Summary Introduction
To determine: Whether the allosteric inhibition is competitive or noncompetitive.
Introduction: The chemical agents that inhibit the enzymatic activity may be reversible inhibitor, or irreversible inhibitor. A reversible inhibitor inhibits an enzyme by forming weak
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Chapter 7 Solutions
Biology (MindTap Course List)
Ch. 7.1 - Define energy, emphasizing how it is related to...Ch. 7.1 - Use examples to contrast potential energy and...Ch. 7.1 - Prob. 1CCh. 7.2 - Prob. 3LOCh. 7.2 - Prob. 1CCh. 7.2 - Life is sometimes described as a constant struggle...Ch. 7.3 - Prob. 4LOCh. 7.3 - Prob. 5LOCh. 7.3 - Prob. 6LOCh. 7.3 - Prob. 1C
Ch. 7.3 - Prob. 2CCh. 7.4 - Explain how the chemical structure of ATP allows...Ch. 7.4 - Prob. 1CCh. 7.4 - Prob. 2CCh. 7.5 - Relate the transfer of electrons (or hydrogen...Ch. 7.5 - PREDICT Which has the most energy, the oxidized...Ch. 7.6 - Explain how an enzyme lowers the required energy...Ch. 7.6 - Describe specific ways enzymes are regulated.Ch. 7.6 - Prob. 1CCh. 7.6 - How does the function of the active site of an...Ch. 7.6 - How are temperature and pH optima of an enzyme...Ch. 7.6 - Prob. 4CCh. 7 - Which of the following can do work in a cell? (a)...Ch. 7 - Prob. 2TYUCh. 7 - Prob. 3TYUCh. 7 - Test Your Understanding 4. Diffusion is an (a)...Ch. 7 - Prob. 5TYUCh. 7 - Prob. 6TYUCh. 7 - Prob. 7TYUCh. 7 - Test Your Understanding 8. Induced fit means that...Ch. 7 - Prob. 9TYUCh. 7 - Prob. 10TYUCh. 7 - PREDICT In the following reaction series, which...Ch. 7 - Test Your Understanding 12. EVOLUTION link All...Ch. 7 - EVOLUTION LINK Some have argued that evolution is...Ch. 7 - Prob. 14TYUCh. 7 - Prob. 15TYUCh. 7 - Prob. 16TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is contact inhibition?arrow_forwardHow does the "sequential" model, used to describe allosteric regulation, explain negative cooperativity? Can this phenomenon be explained by the symmetry model?arrow_forwardDoes the behavior of allosteric enzymes become more or less cooperative in the presence of inhibitors?arrow_forward
- Most bacterial mutants that require isoleucine for growth also require valine.Why? Which enzyme or reaction would be defective in a mutant requiringonly isoleucine (not valine) for growth?arrow_forwardWhat is the difference between the lock-and-key model of enzyme action and the induced-fit model?arrow_forwardWhat types of substances or activities denature enzymes? Suggest three different denaturation mechanisms.arrow_forward
- Draw a mechanism using the general features of a serine protease to explain how inhibitor x might work using the following information: inhibitor x is a representative of a new family of serine protease inhibitors. treatment of chymotrypsin with inhibitor X rapidly decreased activity. to determine the mode of inhibition the researchers used dialysis to exchange the buffer with buffer lacking free inhibitor x. after dialysis, the enzyme did NOT recover any activity.arrow_forwardHow can enzyme inhibition be used in the treatment of certain diseases? Cite examples.arrow_forwardWhat are revision products? What type of reaction is it? What is the common intermediate reversion product of glucose and fructose? What conditions favour the reaction?arrow_forward
- Is catalase active within a narrow or broad temperature range?arrow_forwardWhy are protein synthesis inhibitors typically broad spectrum? What might prevent a protein synthesis inhibitor from being broad-spectrum?arrow_forwardThe objective is to study a novel protease P isolated from the digestive tract of an Amazonian insect. This protease can exist into two forms Pi and Pa which have identical amino acid sequences (both of 80 kDa). However, only Pa shows proteolytic activity. To better understand the activation mode of Pi (inactive form) in Pa (active form), the following experiment was done using DIPF. DIPF (diisopropylphosphofluoridate) is a well-known irreversible inhibitor of serine proteases. It reacts with the catalytic serine residue of the active site of proteases as shown below: Enzyme -CH₂OH + CH(CH3)2 O F-P=0 O CH(CH3)2 Diisopropylphospho- fluoridate (DIPF) Enzyme -CH,—O CH(CH3)2 O <=0 O CH(CH3)2 DIP-Enzyme Both proteases Pa and P₁ were incubated with 32P-DIPF for 30 min at 37°C, and then dialysed to remove excess of unreacted radiolabelled reagent. The two proteases were then analyzed in Sodium Dodecyl Sulphate-Polyacrylamide Gel Electrophoresis (SDS-PAGE), with and without 2-mercaptoethanol.…arrow_forward
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