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Andreyy89
3 years ago
8

Helpppppp thank you any help will do

Biology
1 answer:
madam [21]3 years ago
3 0

Answer: B

Explanation:

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Operons are a(n) ____ sequence lying adjacent to the DNA being transcribed and are composed of a promoter located next to a(n) _
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d. regulatory; operator; regulatory  

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