Portage Learning Chem 210 Module Exam 3

Portage Learning Chem 210 Module Exam 3
Question 1
pts
True or False: The amino acids serine and methionine both contain sulfur atoms.

True
Correct!

False

Question 2
pts

True or False: The following secondary structure shown below is an example of a beta-turn.




True
Correct!

False

Question 3
pts
True or False. The side chain of proline is bonded to the backbone nitrogen atom.
Correct!

True

False

Question 4
pts
True or False: The name of the molecule that binds to an enzyme is called the apoenzyme.

True
Correct!

False

Question 5
pts
True or False: An inhibitor that binds at the active site is an uncompetitive inhibitor.

True

, Correct!

False

Question 6
pts

Which amino acids differ by only one atom?


Ser and Thr

Leu and Ile

Ala and Ser

Asp and Asn
Correct!

Ser and Cys

Question 7
pts
The formation of a peptide bond between two amino acids is an example of a(n) reaction.

Cleavage
Correct!

Condensation

Group transfer

Isomerization

Double-bond breaking

Question 8
pts

The peptide Ala-Glu-Gly-Ala-Leu-Arg has .


A disulfide bond
Correct!

Five peptide bonds

Four peptide bonds

A proline residue