Which of the following correctly describe an active site? Select True or False for each statement.
T/F It is the location in an enzyme where substrates bind.
T/F It is the place where a molecule or ion binds to an inactive enzyme to induce a shape change to make it active.
T/F It is the portion of an enzyme where chaperones bind to help enzymes fold.
T/F It is the site on an enzyme where catalysis occurs.

Question

Which of the following correctly describe an active site? Select True or False for each statement.

T/F It is the location in an enzyme where substrates bind.

T/F It is the place where a molecule or ion binds to an inactive enzyme to induce a shape change to make it active.

T/F It is the portion of an enzyme where chaperones bind to help enzymes fold.

T/F It is the site on an enzyme where catalysis occurs.

Accepted Answer

Welcome back. Here's our next problem. It says the active site is the specific region in a blank where a blank binds. Well, this is pretty straightforward when we think about active site. Um hopefully that triggers our memory. To think about an enzyme. Uh The characteristic of an enzyme is that it has this region called an active site. Oh where the and the word we were looking for is substrate. Substrate here comes along and binds to the active site of the enzyme. That's what allows the enzyme to catalyze the reaction in which the substrate is going to participate. So we want to look for enzyme in our first slot here and substrate in our second. So let's look at our answer choices knowing we need enzyme in the first slot. So we can eliminate choice A. Because that has substrate first choice B has enzyme first. So that's a possible answer. Choice C. Has enzyme first choice D. Has the word product first. So we can eliminate that. And then our second word should be substrate. So choice B does have substrate as the second term. So choice B will be correct. Choice C though has product is the second word. That's not a correct answer. Of course the product of the reaction is what happens after the substrate binds the end time undergoes whatever chemical reactions can undergo. And then the product is made. So the active site is the specific region in a an choice B enzyme where a substrate binds. See you in the next video

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Key Concepts

Active Site

Enzyme Activation

Catalysis