GMAS Review

Front

What phase of the cell cycle does DNA replication take place?

Back

S phase

Front

In what direction does DNA polymerase move during DNA replication?

Back

5' to 3' direction

Front

What happens to a cell when water moves out of it?

Back

The cell will shrink.

Front

What is the term for the molecule that an enzyme acts upon?

Back

Substrate

Front

What is the part of the enzyme where the substrate binds called?

Back

Active site

Front

What is the role of DNA polymerase in DNA replication?

Back

To synthesize new DNA strands by adding nucleotides.

Front

What is osmosis?

Back

The movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is the difference between an enzyme and a substrate?

Back

An enzyme is a catalyst that speeds up a chemical reaction, while a substrate is the substance upon which an enzyme acts.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the significance of the active site in enzyme function?

Back

It is the region where the substrate binds and the reaction occurs.