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AP Biology - Transcription and Translation(61 questions and answers
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AP Biology - Transcription and Translation(61 questions and answers
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AP Biology -Transcription and
Translation(61
questions and answers
Central Dogma of Biology
DNA -> RNA -> Protein
DNA transcription occurs in the
nucleus
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What is DNA transcription?
, Transcription is the synthesis of mRNA copied from the
DNA base sequences by RNA polymerase.
(DNA copied to RNA)
The transcribed DNA strand is the (coding/template)
strand
template
The untranscribed DNA strand is the (coding/template)
strand
coding
RNA Polymerase makes
RNA
First step of DNA replication
Initiation
What happens during initiation of transcription
RNA polymerase II binds to a promoter sequence of DNA
where it binds to transcription factors that are bound to a
region on the promoter called the TATA box. From there,
RNA polymerase II can bind to the DNA.
What is a promoter sequence and where is located?
A sequence of DNA that enzymes like RNA Polymerase and
Transcription Factors can bind to that is usually located a
few dozen nucleotides before the gene.
What is a transcription factor?
A separate protein that binds DNA at DNA transcription
control elements and regulates transcription of genes.
Step two of transcription:
Elongation
In elongation, ___ _________ creates the RNA sequence
based off of the DNA as it unwinds. It does this at about
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