DNA is an incredibly long molecule that serves many (junk, functions, inheritance) in our cells. (pick one of the three answer choices)

Answer 1

Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms.

Answer 2

what does the answer mean