Essay
What is the role of cis-acting and trans-acting factors in transcription? Explain how these factors play a role in the lac operon,and discuss how complementation can be used to identify where the mutations have occurred (structural genes versus regulatory regions).Which type of mutations can be complemented by a second gene with normal function? Are Iˢ and Oᶜ mutants cis or trans-acting?
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If a factor is trans-acting,genes that a...View Answer
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