Question

why transcription is
is necessary?​

Answer 1

Explanation:

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Answer 2

Explanation:

1.Transcription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule.

2.Transcription is performed by enzymes called RNA polymerases, which link nucleotides to form an RNA strand (using a DNA strand as a template).

3.Transcription has three stages: initiation, elongation, and termination.

4.In eukaryotes, RNA molecules must be processed after transcription: they are spliced and have a 5' cap and poly-A tail put on their ends.

5.Transcription is controlled separately for each gene in your genome.

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