Question

Dna replication occurs by the addition of nucleotides to the end of the dna molecule. results in the formation of four new dna strands. produces two daughter dna molecules that are complementary to each other. uses each strand of a dna molecule as a template for the creation of a new strand. begins when two dna molecules join together to exchange segments.

Answer 1

DNA is a double helix, while RNA is a single helix. Both have sets of nucleotides that contain genetic information. Credit: udaix Shutterstock. Deoxyribonucleic acid orDNA is a molecule that contains the instructions an organism needs to develop, live and reproduce.