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Which enzyme synthesizes RNA during transcription?
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15. Gene Expression
Steps of Transcription
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During transcription of DNA to RNA:
A
The RNA polymerase moves along the DNA in the 5' to the 3' direction.
B
The 3' end of the RNA molecule is produced first.
C
The RNA polymerase must first bind to a promoter sequence.
D
Transcription is always initiated at a "start codon".
Guida verificata passo dopo passo1
Understand that transcription is the process of synthesizing RNA from a DNA template. RNA polymerase is the enzyme responsible for this process.
Recognize that RNA polymerase binds to a specific region on the DNA called the promoter sequence. This binding is crucial for initiating transcription.
Note that transcription begins at the promoter sequence, not at a 'start codon'. The start codon is relevant in translation, not transcription.
During transcription, RNA polymerase moves along the DNA strand in the 3' to 5' direction, synthesizing RNA in the 5' to 3' direction. This means the 3' end of the RNA is produced first.
Remember that the promoter sequence is essential for the correct initiation of transcription, ensuring that RNA polymerase starts synthesizing RNA at the right location on the DNA.
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