Enzyme Inhibition Video Lessons

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Concept: Enzyme Inhibition

Problem: Researchers have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. The protein has two binding sites: one of these is large, apparently the binding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule.Which of the following inferences is most consisten with the data?A. It is an enzyme that is regulated through allosteric inhibition.B. It is a transport protein that allows molecules to cross the plasma membrane.C. It is an enzyme that is regulated through competitive inhibition.D. It is a structural protein that is involved in cell-to-cell adhesion.

FREE Expert Solution

Proteins are biological macromolecules with amino acids as its building blocks. These macromolecules have a wide range of functions: energy source, regulation, repair and maintenance, transport, catalysis, immune response, structure and support are functions covered by the different kinds of proteins in the body.

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Problem Details

Researchers have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. The protein has two binding sites: one of these is large, apparently the binding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule.

Which of the following inferences is most consisten with the data?

A. It is an enzyme that is regulated through allosteric inhibition.

B. It is a transport protein that allows molecules to cross the plasma membrane.

C. It is an enzyme that is regulated through competitive inhibition.

D. It is a structural protein that is involved in cell-to-cell adhesion.


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