PORTAGE LEARNING CHEM 210- MODULE 3 EXAM

PORTAGE LEARNING CHEM 210- MODULE 3 EXAM


Question 1
pts

True or False: The amino acids serine and threonine both contain sulfur atoms.

FALSE

Question 2
pts


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




FALSE
Question 3
pts

True or False. The side chain of phenylalanine is bonded to the backbone nitrogen
atom.

FALSE
Question 4
pts

True or False: The name of the molecule that binds to an enzyme is called the
holoenzyme.

FALSE



Question 5
pts

, True or False: An inhibitor that binds at the active site is a coenzyme.

FALSE
Question 6
pts


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
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
pts


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