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Question : Observe the following diagram and answer the quesions What is the role of z,y and a genes in this metabolic pathway ? |
| Answer» SOLUTION :Z,y and a genes are the structural gence which PRODUCE mRNA for the SYNTHESIS of three enzymes which are NEEDED for the metabolism of lactose. They are `z-beta` galactosidase y-permease a-transacetylase | |