Matching

-For efficient nucleophilic catalysis,a group such as the sulfhydryl on a cysteine residue must be able to form a good ______,in addition to being a good nucleophile.
A) high
B) deprotonated
C) protonated
D) catalytic mechanism
E) covalent
F) rate-determining step
G) leaving group
H) formation of ES
I) amino acid
J) low
K) coenzymes
L) concerted acid-base
M) orientation
N) oxidation

Question

Matching

-For efficient nucleophilic catalysis,a group such as the sulfhydryl on a cysteine residue must be able to form a good ______,in addition to being a good nucleophile.
A) high
B) deprotonated
C) protonated
D) catalytic mechanism
E) covalent
F) rate-determining step
G) leaving group
H) formation of ES
I) amino acid 
J) low
K) coenzymes 
L) concerted acid-base
M) orientation
N) oxidation

Quizplus · Accepted Answer

For efficient nucleophilic catalysis, the ability to form a good leaving group is crucial in addition to being a good nucleophile. This is because, after the nucleophilic attack, the departure of the leaving group facilitates the completion of the catalytic cycle.

Matching -For Efficient Nucleophilic Catalysis,a Group Such as the Sulfhydryl on Sulfhydryl