Multiple Choice
The pKaʹs of the side chain group and the α-carboxyl group of glutamate are 4.1 and 2.1, respectively. Which statement accounts for this difference?
A) The side chain has more possible resonance structures.
B) The α-carboxyl group has less steric hindrance and is therefore ionized more easily.
C) The side chain is a different functional group than the α-carboxyl group.
D) The α-carboxyl group is closer to the α-amino group than the side chain is.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Arginine is the most basic of the
Q31: The hydropathy of amino acids can help
Q41: Histidine has pK<sub>a</sub><sub> </sub>values of 1.8, 6.0
Q42: At the isoelectric pH of an amino
Q43: All amino acids have mirror-image pairs designated
Q45: A mixture of four proteins X,
Q51: Which amino acids are linked in phenylalanylglycine?<br>A)
Q52: An amino acid named for a plant
Q100: Iodoacetate is used to acetylate sulfhydryl groups
Q107: Which is used as the basis of