How many of the given statements (i-iv) is/ar | vedclass

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Statement $(i)$ and $(iv)$ are correct. Regulation of lac operon by repressor is referred to as negative regulation. In negative regulation, a repress

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Two

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Statement $(i)$ and $(iv)$ are correct. Regulation of lac operon by repressor is referred to as negative regulation. In negative regulation, a repressor molecule binds to the operator of an operon and terminates transcription. In positive regulation, an activator interacts with the $RNA$ polymerase in the promoter region to initiate transcription. Human genome contains some $20,000-25,000$ genes billion bases.

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