What is DNA made up of?

Which are the single-ring bases and which are the double-ring bases?

What are the complementary base pairs and how many hydrogen bonds are they paired by?

What do all four organic bases contain?

What is the DNA made up of?

For each turn of the helix how many base pairs are there?

What is in a nucleotide

How are the deoxyribose sugar, organic base and phosphate group joined?

What is the name given to a single nucleotide?