DNA Structure

Each strand of DNA is composed of monomers called

Each nucleotide is composed of three parts:

1. 1. ________2,________3______

The five carbon sugar in a DNA nucleotide is called

• ribose

• deoxyribose

• glucose

• fructose

What type of bond is between the nucleotides holds the strand together

• hydrogen

• phosphodiester bond

• peptide bond

• ester bond

What is DNA stand for ?

• Deoxyribose nucleic acid

• Ribose nucleic acid

Where are the nitrogen base found in the DNA ?

What kind of bond holds the base pairs?

• Hydrogen

• phosphodiester

• ester

• peptide

Adenine base pair up with _______ and Cytosine pairs up with _____

which bases are purines>

• adenine

• guanine

• cytosine

• thymine

Which bases are pyrimidines?

• adenine

• cytosine

• uracil

• thymine