DNA Replication

What happens when DNA has to replicate?

• RNA is copied.

• DNA unzips.

• DNA is copied.

What are reasons why living organisms need to make new cells?

• To replace dead cells.

• To help the organism to grow larger and taller.

• To have extra cells to donate to anyone that needs them.

What enzyme unzips the DNA helix?

• Primase

• Ligase

• Helicase

What enzyme glues the new parts of the DNA helix back together?

• Helicase

• Primase

• Ligase

Which enzyme makes a copy of the old DNA?

• DNA Polyimerase

• Helicase

• Ligase

Which enzyme tells the DNA polymerase where to begin building?

• Ligase

• Primer

• Helicase

Where in the cell does DNA replication happen?

• In the cytoplasm.

• In the nucleus.

• In the gogli bodies.

Why does DNA replicate?

• So the cell can keep on living.

• Because the DNA instruction tell it to.

• So identical cells can be made.

Which base pairs with Adenine?

• Cytosine

• Thymine

• Guanine

Which base pairs with Cytosine?

• Thymine

• Adenine

• Guanine