题目内容

Isoenzymes are enzymes that: ()

A. catalyze the same reaction
B. have the same structure
C. have the same physiocochemical properties
D. have the same immunological properties
E. show the same electrophoretic mobility

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Which of following decreases the degree of inhibition by increasing substrate concentration? ()

A. irreversible inhibition
B. competitive inhibition
C. noncompetitive inhibition
D. uncompetitive inhibition
E. not unknown

The active form of vitamin B1 in the body is: ()

A. NAD+
B. FAD
C. TPP
D. CoA
E. FMN

NADH respiratory chain has( )oxidative phosphorylation coupled site. ()

A. 1
B. 2
C. 3
D. 4
E. 5

How many ATPs will be produced when 1 cytosolic NADH is transported into the mitochondria by α-glycerophosphate shuttle? ()

A. 1
B. 1.5
C. 2.5
D. 4
E. 5

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