DNA Structure and Timeline Flashcard

Front

Guanine bonds with ______________.

Back

Cytosine

Front

The sugar in DNA is ?

Back

deoxyribose

Front

What makes up the rungs (steps) of a DNA ladder?

Back

nitrogen bases

Front

What percentage of DNA is made up of Adenine?

Back

15%

Front

What are hydrogen bonds?

Back

What binds nucleotides together in the middle of the DNA molecule.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What is the role of DNA polymerase?

Back

To synthesize new DNA strands during replication.

Front

What is the function of the phosphate group in DNA?

Back

To form the backbone of the DNA structure.

Front

What is a nucleotide composed of?

Back

A sugar, a phosphate group, and a nitrogen base.