BioChem 210 Module 3 Exam - Portage Learning 
True or False: The amino acids serine and threonine both contain sulfur atoms.
FALSE
True or False: The following secondary structure shown below is an example of a betaturn.
FALSE
Question 3
3 / 3 pts
True or False. The side chain of phenylalanine is bonded to the backbone nitrogen
atom.
FALSE
True or False: The name of the molecule that binds to an enzyme is called the
holoenzyme.
BioChem 210 Module 3 Exam - Portage Learning
True or False: An inhibitor that binds at the active site is a coenzyme.
FALSE
Which amino acids differ by only one atom?
 Ser and Thr
 Leu and Ile
 Ala and Ser
 Asp and Asn
 Ser and Cys
SER AND CYS
Question 7
3 / 3 pts
The formation of a peptide bond between two amino acids is an example of a(n) _____
reaction.
 Cleavage
 Condensation
 Group transfer
 Isomerization
 Double-bond breaking
CONDENSATION
Question 8
3 / 3 pts
The peptide Ala-Glu-Gly-Ala-Leu has ______ .