Chapter·BiochemistryEnzymes

Allosteric RegulationDownloads

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Sample Questions

1

What is the primary mechanism of action of 5-α reductase?

AReduction of C4-C5 double bond

BBreakage of amide bond

CBreakage of C-N bond

DBreakage of N-N bond

2

Which of the following is true about non-competitive inhibition?

AKm increases, Vmax remains same

BKm decreases, Vmax increases

CKm increases, Vmax increases

DKm remains same, Vmax decreases

3

Which of the following is an example of allosteric inhibition?

ADecreased synthesis of glucokinase by glucagon

BInactivation of glycogen synthase by phosphorylation

CInhibition of PFK-1 by citrate

DNone of the options

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