Question
Which among the following are enzymes coded for by the lac operon?
Which among the following are enzymes coded for by the lac operon?
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Solution
The correct option is B ꞵ - Galactosidase, Permease, Transacetylase
Lac operon consists of structural genes which are a group of sequences that code for different proteins/ enzymes.
ꞵ - Galactosidase, permease and transacetylase are the various proteins /enzymes produced by the structural genes lac z, lac y and lac a respectively.
The functions of these enzymes are as follows:
ꞵ - Galactosidase → Digests lactose
Permease → Increase permeability of lactose
Transacetylase → plays an important role in lactose utilisation
Glycogen synthase catalyses glycogen synthesis in liver and skeletal muscle.
Phosphoglucose isomerase is an enzyme that catalyses isomerisation of glucose-6-phosphate to fructose-6-phosphate in TCA cycle.
Lac operon consists of structural genes which are a group of sequences that code for different proteins/ enzymes.
ꞵ - Galactosidase, permease and transacetylase are the various proteins /enzymes produced by the structural genes lac z, lac y and lac a respectively.
The functions of these enzymes are as follows:
ꞵ - Galactosidase → Digests lactose
Permease → Increase permeability of lactose
Transacetylase → plays an important role in lactose utilisation
Glycogen synthase catalyses glycogen synthesis in liver and skeletal muscle.
Phosphoglucose isomerase is an enzyme that catalyses isomerisation of glucose-6-phosphate to fructose-6-phosphate in TCA cycle.
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