How Are RNA Hairpin Turns Related to Termination

question 26

Multiple Choice

How are RNA hairpin turns related to termination?

• A)The turns are formed from complementary base pairing and cause separation of the RNA transcript and RNA polymerase.
• B)A three-base repeat signals a stop sequence,and the RNA transcript is released.
• C)Release factors bind to sites on the hairpin turn,causing release of the RNA transcript.
• D)The hairpin turn prevents more nucleoside triphosphates from entering the active site of the enzymes,effectively shutting off the process of polymerization.

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