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Zolol [24]
3 years ago
11

Choose all statements that accurately describe the transcription bubble.

Biology
2 answers:
Pachacha [2.7K]3 years ago
5 0

Answer:

Option A and Option B

Explanation:

A transcription bubble is defined as  a molecular structure which is formed when only a few or very limited section of the DNA strand has unwind-ed.

These transcription bubbles are small in size and  in general their size ranges between 12-14 base pairs

An RNA polymerase which is about 9 nt long is responsible for making the DNA sequence ready for producing transcript at the 5' end (a complementary, antiparallel RNA strand )

Rate at which  double stranded DNA molecule slide back and forth for transcription ranges with in 40-50 nt/sec

Hence, both option A and B are correct

IgorLugansk [536]3 years ago
4 0

Answer:

The correct options are options A and B

Explanation:

Hello! Let's solve this!

A transcription bubble forms as transcription begins. The nucleotides are separated so that the complementary RNA to that part of DNA begins to form.

The correct options are options A and B:

A. It moves along the DNA at a rate of about 50 nt / sec It is stationary, with the DNA strand slowly threaded through it at a rate of about 50 nt / sec

B. The growing RNA strand protrudes from the bubble It contains an RNA-DNA hybrid, about 9 nt long

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