Answer:
I dont speak thos language but i wish i could help
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.
Explanation:
people need to avoid wild birds & wash their hands , avoid contact with contaminated surfaces
Answer:B, an introduced species is not necessarily harmful to the environment, an invasive species has a negative effect
Explanation:
