First slide

Regulation of Gene Expression

Question

Lactose undergoes hydrolysis to form:

Easy

A

2 molecules of glucose
B

Glucose and galactose
C

Glucose and fructose
D

Glucose and ribose

Solution

Enzyme called beta-galactosidase is synthesised by E. coli, it is used to catalyse the hydrolysis of a disaccharide, lactose into galactose and glucose.

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