HELP PLEASE!! What three major macromolecules are involved in gene expression?
mRNA
DNA
Polypeptides

I just need confirmation if my list is correct.

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false

During the final stage of the cell cycle, cytokinesis allows the cell to finish dividing, creating with copies of dna. can someone fill in the blanks?

Why is it bad that some cancer cells can make their own growth hormones?