Enzymes
The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about

49 kJ/mol
40 kJ/mol
88 kJ/mol
58 kJ/mol

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

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

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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
size, shape, and charge of the active site or specificity pocket
proximity of Ser 195 to the active site or specificity pocket
absence of water in the active site

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