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

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

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Enzymes
Which of the following is false statement with regard to comparison between Serine and HIV proteases?

Both use nucleophilic attack to hydrolyze the peptide bond
Both require water to complete the catalytic cycle
Both show specificity for certain amino acid sequences
Both forms an acyl-enzyme intermediate

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

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