Short strands of DNA are contained in chromosomes inside the nucleus of a cell.
Every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base.
DNA consists of one strand of nucleotides joined by hydrogen bonds.
The long strands of nucleotides are twisted into a double helix.
Nitrogen bases found in amino acids.
Able to replace phosphate groups from defective DNA.
Names of specific types of DNA molecules.
Classification groups for nitrogen bases.