3 years ago

Step 1: drag the lac promoter to the stretch of dna. do not drag the lacz gene to the dna. what happens? why is this?

1 answer:

4 0

RNA polymerase binds to the lac promoter and begins transcribing the stretch of DNA to messenger RNA. Therefore, in other words, the stretch of DNA is expressed. The DNA sequence of the lac promoter 'signals' where the RNA polymerase will bind and where transcription will begin. Promoters are found upstream of a gene to be transcribed.

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