Question

What sdoes dna molecule contain?Name the functional segment of dna.In which form is the dna present when the cells are didviding

Answer 1

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.....