Multiple Choice
Cysteine and methionine are unique among the twenty essential amino acids in that they
A) are chiral.
B) contain an aromatic ring.
C) do not form dipolar ions.
D) contain sulfur.
E) cannot join with other amino acids to form peptides.
Correct Answer:

Verified
Correct Answer:
Verified
Q19: An essential amino acid is one that<br>A)
Q20: Acrylonitrile results from the polymerization of <br>A)<img
Q21: Which of these molecules is a product
Q22: Which choice lists both the sugar and
Q23: The functional group <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3247/.jpg" alt="The functional
Q25: Amides are synthesized from two classes of
Q26: The segment <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3247/.jpg" alt="The segment
Q27: The monomer used to prepare polyvinyl chloride
Q28: Hydrogen bonding, dispersion forces, ionic forces, and
Q29: The backbone of a strand of nucleic