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Genetics and Genomics

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Transcription Steps in Messenger RNA Production by Eukaryotes

GENES-ARLCNL

Select ALL that apply to eukaryotic transcription.

A

The RNA may remain in the nucleus or exit to the cytoplasm through the nuclear pore complex.

B

The RNA may be further processed, including polyadenylation, capping, and splicing.

C

The RNA sugar-phosphate backbone forms with assistance from DNA polymerase.

D

Hydrogen bonds between the new RNA strand and the DNA strand break, freeing the newly synthesized RNA strand.

E

One or more sigma factor proteins bind to the DNA polymerase holoenzyme, allowing it to bind to promoter DNA.

F

Messenger RNA may be immediately translated into protein, even while it is still being transcribed from the DNA.