For each of the following enzymes in the last 5 multiple choice questions, pleas

Question

For each of the following enzymes in the last 5 multiple choice questions, please choose the best description a.-e. for the mechanism each type of enzyme uses for catalysis. Descriptions may be used zero, one, or more times, but there is only one correct answer. a. Specific acid/base catalysis b. General acid/base catalysis c. A metal ion and electrostatic effects d. May be general acid/base or specific acid/base; no metal ion e. Transition state binding only 26. Catalytic antibodies 27. Group I introns 28. Staphylococcal nuclease 29. Lysozyme 30. Ribonuclease A (RNAse A)

Explanation / Answer

26)Catalytic antibodies->e)Transition state binding only

because catalytic antobodies are enzymes which help a reaction for transition

27)Group I inrons:->d)Maybe general acid/base or specific acid/base.No metal ion

as they dont involve any ions

28)Staphylococcal nuclease->b)General acid/base catalysis

because they can have any acid or base for this

29)Lysozyme->A)Specific acid/base catalysis

because they use a fixed pair of acid and base which never changes

30)Ribonuclease A->c)A metal ion and electostatic effects

because ribonuclease uses metal ions .

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