DNA (Biology)

Who got credit for discovering DNA?

James Watson, Francis Crick, Maurice Wilkins.

Who didn’t get credit?

Rosalind Franklin

What macromolecules makes up DNA?

Nucleic acids

What are three parts of nucleic acids

• Sugar

• Base

• Phosphate

What does DNA stand for?

Deoxyribonucleic acid

What shape is DNA?

Double helix

What 2 molecules make up the backbone of DNA (outside)

Deoxyribose sugar and nucleic acid

What molecule makes up the “rungs” (middle) of DNA?

Guanine, cytosine, adenine, thymine

Which bases pair up with each other?

• Adenine and Thymine

• Cytosine and Guanine

Are the base pairs bonded together weakly or strongly?

weakly

Which enzyme unzips the DNA?

Helicase

Which enzyme adds new bases to each side of the original DNA?

Polysaccharide

Which enzyme zips the DNA back together?

Ligase