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defon
3 years ago
7

Which describes a promoter?

Biology
2 answers:
balu736 [363]3 years ago
8 0
A. <span>the first part of an operon that regulates where, when, and to what level a gene is expressed</span>
MaRussiya [10]3 years ago
5 0

Answer:

Explanation:

A. the first part of an operon that regulates where, when, and to what level a gene is expressed

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