DNA Structure and Replication

Front

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

Back

Deoxyribose sugar and phosphate.

Front

What type of bond joins nitrogenous bases in DNA?

Back

Hydrogen bonds.

Front

What is the sugar component of DNA?

Back

Deoxyribose.

Front

Which nitrogenous base does Guanine bond with?

Back

Cytosine.

Front

What is the role of helicase in DNA replication?

Back

It unzips the DNA to prepare for replication.

Front

What are the four nitrogenous 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 function of DNA polymerase?

Back

It synthesizes new DNA strands during replication.

Front

What is the complementary base pair for Adenine?

Back

Thymine.

Front

What is the significance of the phosphate group in DNA?

Back

It forms part of the backbone, linking deoxyribose sugars.