Deoxyribonucleic Acid (DNA) in AP Biology

Definition

DNA is a molecule that carries most of the genetic instructions used in the development, functioning and reproduction of all known living organisms and many viruses.

Related terms

Genes:

These are specific sequences of nucleotides in DNA or RNA that are responsible for carrying information to produce proteins.

Chromosomes:

These are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made up of protein and a single molecule of DNA.

Nucleotide:

This is an organic molecule that serves as the subunit, or building block, of nucleic acids like DNA and RNA.