Isoelectric Point Flashcards
1
Q
Amphoteric molecules containing positive and negative charges
A
Zwitterions
2
Q
The pH at which a particular molecule or surface carries no net electrical charge.
A
Isoelectric point
3
Q
Zwitterions at an isoelectric point are uncharged (T/F)
A
True
4
Q
Above Isoelectric point carry a net-positive charge (T/F)
A
False (Net-Negative Charge)
5
Q
Amino acids with one amine and one carboxyl group are uncharged (T/F)
A
True
6
Q
Amino acids with one amine and one carboxyl group can use Pka1 + Pka2 (T/F)
A
True
7
Q
Amino Acids with other ionizable groups are charged (T/F)
A
True
8
Q
Amino Acids with other ionizable groups can use Pka2 + Pka3 (T/F)
A
True
