The Isoelectric Point Is The

Multiple Choice

The isoelectric point is the:

A) Ability of an amino acid to carry a positive or negative charge
B) pH at which proteins are least soluble and most easily precipitated
C) pH at which proteins are most soluble and combine easily in foods
D) Point at which cross linkages are the strongest
E) Structure of a protein where the polar chains fold to the outside and the non-polar chains fold to the inside