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The result of transcription is:
an mRNA strand that is a complementary copy of a DNA strand.
a DNA strand that is a complementary copy of an original DNA strand.
an mRNA strand that is identical to the DNA strand it is copied from.
a DNA strand that is a duplicate of an original DNA strand.


Sagot :

Answer:

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

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

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

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.

Transcription is controlled separately for each gene in your genome.

Explanation: