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docker41 [41]
3 years ago
15

A change in the sequence of nitrogenous bases in DNA may result in

Biology
1 answer:
NeTakaya3 years ago
3 0

Answer:

A

Explanation:

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An organism killed by oxygen is known as obligate anaerobes
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The antibiotic rifampicin blocks transcription in many bacteria. In the presence of the antibiotic, adding sigma factor has no s
mariarad [96]

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transcription initiation

Explanation:

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2-Elongation. The sigma σ factor of the holoenzyme is released and the complex and the core enzyme (α2 ββω) moves along the template strand, thereby producing an mRNA sequence

3-Termination. This step can be Rho-dependent, where a protein named "Rho" recognizes the termination site and stop transcription, and Rho-independent (transcription continues until the termination sequence is reached).

In consequence, Rifamycin is likely to block the initiation of transcription because the core RNA enzyme needs to bind the sigma factor (σ) for initiation of transcription in bacteria.

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