DNA Replication Review

Front

Hydrogen bonds in between nitrogen bases are _______________

Back

weak

Front

What does it mean that DNA replication is semi-conservative?

Back

Each new DNA molecule contains one original and one new strand.

Front

What does the enzyme helicase do during DNA replication?

Back

Unwinds the double-stranded DNA helix.

Front

Why does DNA replication happen?

Back

So your body can make new cells.

Front

DNA replication makes 2 _____________ copies

Back

Identical.

Front

What is the role of DNA polymerase in DNA replication?

Back

Adds new nucleotides to the growing DNA strand.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the three components of a nucleotide?

Back

A phosphate group, a sugar, and a nitrogenous base.

Front

What is the function of the enzyme ligase during DNA replication?

Back

Joins Okazaki fragments on the lagging strand.

Front

What is the significance of the 5' to 3' direction in DNA replication?

Back

DNA strands are synthesized in the 5' to 3' direction.