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
Condensatio
n Group
transfer
Isomerizatio
n
Double-bond
breaking
CONDENSATION




Question 8
pts

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