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klemol [59]
3 years ago
9

A scientist is studying the action of RNA polymerase during transcription. He wants to know what type of bases are added to the

growing mRNA by RNA polymerase.
Biology
1 answer:
Vinvika [58]3 years ago
4 0
The answer is A. RNA polymerase will be making an mRNA using a single DNA strand as a template. So, for example if the DNA strand is AGGCAGC the mRNA strand will be UCCGUCG. U= uracil which replaces thymine in mRNA molecules. <span>
i hope my answer helped!!!!!!!</span>
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