Answer:
i got this question today and it's b
Explanation:
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
Sorry but there is no image lol
Alaska rocks, much more than the rest of the United States. The northernmost state, which happens to straddle the border of two tectonic plates, gets hit with a magnitude 7 earthquake almost every year
To oxygenate your blood cells.
