Based on the chemical structure of cyanide, identify one type of biological macromolecule that could serve as a chemical precursor for the production of cyanide in a plant. justify your choice

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

the answer to your question is:

c. complementary base-pairing

i think the answer is c hope this

idk about that one.