Ch8.3 The Structure of DNA

Front

What is the shape of the DNA molecule?

Back

Double Helix

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, nitrogen base

Front

What bases are considered Pyrimidines?

Back

Cytosine & Thymine

Front

What was Rosalind Franklin's contribution to the discovery of DNA?

Back

She took the first X-Ray Crystallograph (image) of DNA

Front

Which of the following is not a nitrogen base found in DNA?

Back

Uracil

Front

What are the two types of nitrogenous bases in DNA?

Back

Purines and Pyrimidines

Front

Name the two Purines found in DNA.

Back

Adenine and Guanine

Front

Name the two Pyrimidines found in DNA.

Back

Cytosine and Thymine

Front

What is the role of the sugar in a nucleotide?

Back

It forms the backbone of the DNA structure.

Front

What is the function of DNA?

Back

To store and transmit genetic information.