Question

1.)Carbohydrates are aldehydes or ketones that contain multiple ___________ groups.

hydroxyl

phosphate

methyl

amino

2.) The type of lipid that contains a four-ring structure and does not contain fatty acids is:

glycolipid.

phospholipid.

steroid.

triglyceride.

none of the above

3.)Amino acids contain a(n):

"R" side chain.

carboxylic acid group.

amine group.

all of the above

none of the above

4.An alpha helix is an example of which type of structure?

Primary Structure

Secondary Structure

Tertiary Structure

Quaternary Structure

Pental Structure

5.)Which of the following statements about nucleic acids is FALSE?

Nucleic acids are either DNA or RNA.

Nucleic acids are polymers of nucleotides.

Nucleic acids specify the order of amino acids in proteins.

Nucleic acids contain the code to make lipids.

All of the statements are true.

6.)A section of DNA contains the bases TGTCA, so the correct sequence in the complementary strand is:

ACAGU

GTGAC

ACAGT

CACTG

none of the above