DNA Structure Mini Quiz

Watson and Crick determined that the shape of the molecule was a

double helix

Wilkins and Franklin studied the structure of DNA using what?

x-ray diffraction

The bases are paired by what bond along the axis of the molecule?

Hydrogen

Two scientists who were given credit for discovering the structure of DNA.

James Watson and Francis Crick

the two molecules that are the "backbone" of DNA

phosphate molecules and deoxyribose sugar

Pyrimidines have how many rings?

one

The two bases that are purine are:

Adenine and Guanine

Purines have how many rings?

two

What are the complementary base pairs based on Chargoff's rule. They also have equal amounts.

Cytosine and Guanine, and Thymidine and Adenine

Four bases of DNA

Adenine, Cytosine, Guanine and Thymidine

The two bases that are pyrimidine are:

Cytosine and Thymidine

What do the letters DNA stand for?

Deoxyribonucleic Acid

What are the monomers of DNA called?

Nucleotides