DNA and Cell Cycle

Front

What enzyme breaks the hydrogen bonds between nitrogen bases during DNA replication?

Back

Helicase

Front

What occurs during the G1 stage of interphase?

Back

The cell grows.

Front

Which nitrogen base does Guanine bond with?

Back

Cytosine

Front

In which stage of the cell cycle does the nucleus and its contents divide?

Back

Mitosis.

Front

How many hydrogen bonds hold together Guanine and Cytosine?

Back

3

Front

What is the role of DNA Polymerase in DNA replication?

Back

DNA Polymerase synthesizes new DNA strands by adding nucleotides.

Front

What is the function of Ligase in DNA replication?

Back

Ligase joins Okazaki fragments on the lagging strand.

Front

What happens during the S phase of the cell cycle?

Back

DNA is replicated.

Front

What is the purpose of the cell cycle?

Back

To ensure proper cell growth, DNA replication, and division.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.