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Observe the following diagram and answer the questions:What is the role of z, y and a genes in this metabolic pathway? |
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Answer» The z gene codes for beta-galactosidase which is responsible for the hydrolysis of the disaccharide, lactose into galactose and glucose. The y gene codes for permease, which increases permeability of the cell to beta-galactosides. The a gene encodes a transacetylase |
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