DNA Replication and RNA

Front

What type of bond joins nitrogenous bases in DNA?

Back

Hydrogen bonds.

Front

When does DNA replication occur?

Back

The S phase.

Front

What is the structure of a DNA molecule?

Back

Double helix.

Front

Why does DNA stay in the nucleus?

Back

To protect it from becoming damaged.

Front

What is the lagging strand in DNA replication?

Back

The strand that is copied from 3' to 5'.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the role of DNA polymerase in DNA replication?

Back

It synthesizes new DNA strands by adding nucleotides.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar, while RNA contains ribose sugar.

Front

What is transcription in the context of RNA?

Back

The process of copying a segment of DNA into RNA.