[生醫] [生化]-成大98-口醫(甲)
1. Which property below is not a characteristic of enzymes?
A) They are required only in large amounts.
B) They can be altered reversibly during a reaction.
C) They do not alter the △G of a reaction
D) They are used over and over again.
E) They do not determine whether a reaction is exergonic or endergonic.
2. What kind of interaction is not involved in the binding of
a substrate to a normally functioning enzyme?
A) H bonds
B) A transient covalent bond
C) Ionic bonds
D) A permanent covalent bond
E) Hydrophobic interactions
3. Doubling the concentration of enzyme will ___ the Vmax and ____ the Km.
A) double, not alter
B) not alter, double
C) double, double
D) not change, not alter
E) halve, halve
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