Choose the best description of the induced fit model of enzyme-substrate binding. A) The substrate binds in an allosteric site that is perfectly designed to match the shape of the substrate. B) The substrate binds in an allosteric site and induces a change in the shape of the enzyme so that it matches the shape of the substrate. C) The substrate binds in an active site and induces a change in the shape of the enzyme so that it matches the shape of the substrate. D) The substrate binds in an active site that is perfectly designed to match the shape of the substrate.
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This means that the enzyme's active site is flexible, not rigid. Show more…
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In the induced fit model of enzyme action, a. the substrate exactly fits multiple enzymes. b. many substrates fit every enzyme. c. the enzyme changes shape slightly to accommodate the substrate. d. the enzyme doesn't fit the substrate until it is induced by another substrate.
Match the terms ( 1 ) active site, ( 2 ) lock-and-key model, and (3) induced-fit model with each of the following: a. the portion of an enzyme where catalytic activity occurs b. an active site that adapts to the shape of a substrate c. an active site that has a rigid shape
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Which of the following is a correct statement describing the induced-fit model of enzyme action? Substrates fit into the active site: (a) because both are exactly the same size and shape. (b) by changing their size and shape to match those of the active site. (c) by changing the size and shape of the active site upon binding.
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