DNA Structure

Front

What molecule is represented by the structure shown in the drawing?

Back

A DNA molecule.

Front

What is the sugar component of DNA?

Back

Deoxyribose.

Front

List the four nitrogen bases found in DNA.

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What type of bond joins the two strands of nitrogenous bases in DNA?

Back

Hydrogen bonds.

Front

If a DNA molecule has 29% Guanine, what percentage of Cytosine does it contain?

Back

29%.

Front

What is the shape of the DNA molecule?

Back

Double helix.

Front

What are the two main functions of DNA?

Back

Storing genetic information and providing instructions for protein synthesis.

Front

What is the role of the nitrogenous bases in DNA?

Back

They encode genetic information.

Front

What is the complementary base pairing rule in DNA?

Back

Adenine pairs with Thymine, and Cytosine pairs with Guanine.

Front

What is the significance of the sequence of nitrogen bases in DNA?

Back

It determines the genetic code and the traits of an organism.