DNA and Cell Cycle Test Review

Front

What happens in the S-stage of interphase?

Back

The DNA is replicated.

Front

What are nucleotides made up of?

Back

A sugar, phosphate, and nitrogenous base.

Front

Where are chromosomes lined up during the second step of mitosis?

Back

In the MIDDLE of the cell (Metaphase).

Front

Which enzyme is responsible for replicating DNA and proofreading it?

Back

DNA Polymerase.

Front

What is the process called when a DNA strand makes an identical copy?

Back

Replication.

Front

What is the basic unit of DNA?

Back

Nucleotide.

Front

What are the two main stages of the cell cycle?

Back

Interphase and Mitotic phase.

Front

What is the role of helicase in DNA replication?

Back

It unwinds the DNA double helix.

Front

What is the function of ligase in DNA replication?

Back

It joins Okazaki fragments on the lagging strand.

Front

What is the term for the physical division of the cytoplasm during cell division?

Back

Cytokinesis.