First slide

Regulation of Gene Expression

Question

Identify the correct match

Easy

A

Structural genes- Lac i
B

Repressor gene- Lac z
C

Inducer of lac operon- Protein
D

Non-constitutive gene- Structural genes

Solution

The structural genes are only expressed when required. Therefore, they are referred to as luxury gene or non-constitutive gene.
Structural genes- Lac z, y and a
Repressor gene- Lac i
Inducer of lac operon- Lactose or Allolactose

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