O glucose levels and cAMP levels are low. O None of the answer options is correc

Question

O glucose levels and cAMP levels are low. O None of the answer options is correct. QUESTION 15 In a normally functioning 'wild type' bacteria, The lacZ and lacY genes are transcribed when: O lactose is present, regardless of the level of glucose in the cell O lactose is absent and glucose levels are high. O lactose is present and glucose levels are low. O glucose levels are high and lactose levels are low. O glucose levels are low, regardless of the level of lactose in the cell. QUESTION 16 It is necessary for the gene that codes for the repressor of lac operon to be physically near the stru

Explanation / Answer

Lactose is present and glucose levels are low - The enzymes of lacZ and lacY are produced only when glucose is not available, and lactose is available. If both glucose and lactose is available, enzymes are not produced the genes because, glucose is the preferred energy source.

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