Structure of DNA

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

In DNA, which nitrogen base does Adenine bond with?

Back

Thymine.

Front

Where is DNA usually found within a cell?

Back

In the nucleus.

Front

What two molecules form the sides (backbone) of the DNA ladder?

Back

Deoxyribose (sugar) and phosphate.

Front

Which nitrogen base is not found in DNA?

Back

Uracil.

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What type of bond holds the nitrogen bases together in DNA?

Back

Hydrogen bonds.

Front

What is the function of DNA in living organisms?

Back

To store and transmit genetic information.

Front

What sugar is present in the DNA structure?

Back

Deoxyribose.

Front

How many strands does DNA have?

Back

Two strands.