DNA Intro Review

DNA Intro Review

Multiple Choice

A skin cell in your body has exactly the same DNA as a liver cell.

• True

• False

Multiple Select

Click on the answers that are categories of biomolecules:

• carbohydrates

• lipids

• hydrocarbons

• proteins

• nucleic acids

Multiple Choice

What is the monomer of a nucleic acid?

• nucleotide

• deoxyribose

• phosphate

• monosaccharide

Multiple Select

Check each box that is a component of a nucleotide:

• sugar

• fatty acid

• phosphate

• nitrogen base

Multiple Select

If DNA is compared to a ladder, what to molecules make up the sides of the ladder?

• nitrogen bases

• deoxyribose

• phosphate

• hydrogen bond

Multiple Select

Click on every box that has properly paired nitrogen bases:

• A-T

• G-T

• C-G

• G-C

• T-A

Multiple Choice

Which type of cell houses DNA in a nucleus?

• Prokaryote

• Eukaryote

Multiple Choice

DNA must coil up over and over again to fit into the cell.

• True

• False

Multiple Choice

DNA + ________ = nucleosome

• phosphate

• histone

• ribose

• chromosome

Multiple Choice

What is the first step in DNA replication?

• new nitrogen bases fill in

• DNA unzips up the middle

• deoxyribose and phosphates attach

Multiple Choice

When DNA unzips, if an A (adenine) is left unpaired, what nitrogen base will pair up with A?

• C

• G

• T

• A

Multiple Choice

If a G is left unpaired in DNA replication, what nitrogen base will pair with it?

• A

• T

• C

• G

Multiple Choice

DNA replicates with great accuracy.

• true

• false

Multiple Choice

Chemicals in the environment do not affect DNA replication.

• True

• False