What describes a promoter? A. A length of DNA that controls the expression of a gene B.

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What describes a promoter?

A. A length of DNA that controls the expression of a gene

B. A piece of RNA that binds to DNA to switch off a gene

C. A polypeptide that binds to DNA to switch on a gene

D. A triplet code of three DNA nucleotides that codes for ‘stop’

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Cambridge International AS And A Level Biology

ISBN: 9781107636828

4th Edition

Authors: Mary Jones, Richard Fosbery, Jennifer Gregory, Dennis Taylor

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Question Posted: Sep 01, 2021 02:19 AM

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What describes a promoter? A. A length of DNA that controls the expression of a gene B.

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Cambridge International AS And A Level Biology

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