Question

Y gene in lac operon codes for?

Answer 1

Lac operon:

1. Lac operon or lactose operon is the operon or a cluster of genes that have one promoter encoding genes for the metabolism and transport of lactose in bacteria.
2. It is found in E. coli and other bacteria.
3. It produces a lac repressor protein in the bacteria.
4. The y gene in lac operon codes for the enzyme permease which is involved in maintaining the lactose permeability in the cell, therefore, increasing the concentration of lactose in that cell.