Front

What forms the sides (backbone) of the DNA ladder?

Back

Deoxyribose sugar and phosphate.

Front

Which nitrogen base does Cytosine always pair with?

Back

Guanine.

Front

What are the correct complementary base pairs in DNA?

Back

Adenine pairs with Thymine (A-T) and Guanine pairs with Cytosine (G-C).

Front

What are nucleotides made of?

Back

Nucleotides consist of a sugar, a phosphate group, and a nitrogen base.

Front

What determines the genetic code in a DNA molecule?

Back

The order (sequence) of the nitrogen bases.

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

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

Back

Hydrogen bonds.

Front

What is the role of deoxyribose in DNA?

Back

Deoxyribose is the sugar component of the DNA backbone.

Front

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

Back

The sequence encodes genetic information.