The answer I came up with is Echinoderms and Chordates.
Happy studying!
Is it because there is to many bliw dryes plugged in
There are four major classes of biological macromolecules:
carbohydrates.
lipids.
proteins.
nucleic acids.
The answer is C. This is because nucleotide elongation involves the addition of a nucleotide to the 3 prime carbon of the previous nucleotide carbon ring. This involves a dehydration reaction between the phosphate group on the 5 prime carbon of the last nucleotide to the hydroxyl group of the 3 prime carbon of the previous nucleotide.
