Enzymes
Enzyme-driven metabolic pathways can be made more efficient by

concentrating enzymes within specific cellular compartments
All of these
fixing enzymes into membranes so that they are adjacent to each other
grouping enzymes into free-floating, multienzyme complexes

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Enzymes
The cleavage specificity of trypsin and chymotrypsin depend in part on the

presence of a low-barrier hydrogen bond in the active site or specificity pocket
absence of water in the active site
proximity of Ser 195 to the active site or specificity pocket
size, shape, and charge of the active site or specificity pocket

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Enzymes
In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2? A ---(E1)---> B ---(E2)---> C ---(E3)--->

A and B will still be produced, but not C or D
A, B, and C will still be produced, but not D
A, B, C, and D will all still be produced
A will still be produced, but not B, C, or D

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