Enzymes (Updated)
5:47
YouTubeAmoeba Sisters
Enzymes (Updated)
The Amoeba Sisters explain enzymes and how they interact with their substrates. Vocabulary covered includes active site, induced fit, coenzyme, and cofactor. Also the importance of ideal pH and temperatures for enzymes are discussed. This video has a handout here: http://www.amoebasisters.com/handouts.html Table of Contents: 00:00 Intro 00:40 ...
6.3M viewsAug 28, 2016
Allosteric Enzyme Mechanism
Allosteric Regulation | Activation, Inhibition & Examples
6:15
Allosteric Regulation | Activation, Inhibition & Examples
Study.comChristopher Muscato
28K viewsJan 26, 2016
Regulation of PFK-1 The effect of ATP on the allosteric enzyme PFK-1 is shown below. For a given concentration of fructose 6 -phosphate, the PFK- 1 activity increases with increasing concentrations of ATP, but a point is reached beyond which increasing the concentration of ATP inhibits the enzyme. (FIGURE CAN'T COPY) (a) Explain how ATP can be both a substrate and an inhibitor of PFK-1. How is the enzyme regulated by ATP? (b) In what ways is glycolysis regulated by ATP levels? (c) The inhibition
Regulation of PFK-1 The effect of ATP on the allosteric enzyme PFK-1 is shown below. For a given concentration of fructose 6 -phosphate, the PFK- 1 activity increases with increasing concentrations of ATP, but a point is reached beyond which increasing the concentration of ATP inhibits the enzyme. (FIGURE CAN'T COPY) (a) Explain how ATP can be both a substrate and an inhibitor of PFK-1. How is the enzyme regulated by ATP? (b) In what ways is glycolysis regulated by ATP levels? (c) The inhibition
numerade.com
Aug 7, 2020
Allosteric Site | Activator, Inhibitor & Binding
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Allosteric Site | Activator, Inhibitor & Binding
Study.com
99K viewsMay 18, 2017
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What is Regulatory Enzyme and Enzyme Regulation? | EasyBiologyClass
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1. The change in enzyme shape from the binding of a noncompetitive inhibitor is an example of allostery. Allosteric regulation occurs when a non-substrate molecule binds or modifies an allosteric site, which is a site other than the active site of an enzyme, inducing the enzyme to change its shape. When the inhibitor releases, the enzyme returns to its original conformation, allowing the substrate to bind to the active site and convert into products. 2. Allosteric regulators can be inhibitors or
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1. The change in enzyme shape from the binding of a noncompetitive inhibitor is an example of allostery. Allosteric regulation occurs when a non-substrate molecule binds or modifies an allosteric site, which is a site other than the active site of an enzyme, inducing the enzyme to change its shape. When the inhibitor releases, the enzyme returns to its original conformation, allowing the substrate to bind to the active site and convert into products. 2. Allosteric regulators can be inhibitors or
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2.1K viewsNov 25, 2017