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For a prokaryotic gene, basal transcription is defined as
A) the level of transcription produced by the RNA polymerase holoenzyme on its own.
B) transcription that originates at the core promoter and +1 site.
C) the level of transcription produced by RNA polymerase holoenzyme and an activator protein.
D) the absence of transcription resulting from a repressor protein bound to an operator.
E) the absence of transcription resulting from a repressor protein bound to the core promoter.

Respuesta :

Answer:

Option B, Transcription that originates at the core promoter and +1 site

Explanation:

In basal transcription Ā process a special class of transcription factors which Ā are nothing but the protein that binds to specific sites Ā on DNA (which are also known as promoter sites) with an objective of activating transcription of genetic information from DNA to RNA , specifically messenger RNA. The transcription initiation requires association at promoter site(or regions of DNA that are found in the upstream of the coding region of Ā a gene) Ā along with a Ā Ļƒ sub unit

Hence, option B is correct

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