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.
Answer:
the answer should be A. Fission
b) some bacteria reduce nitrate ion
If they find them unattractive there's a probability they wouldn't mate because they are different species and genera
The different amino acids can code with each other making many different results. even though there are only 4 chemicals, the amount of different links they can make means that they have more than 4variations