(A) H 3 PO 4 and
(B) and
(C) and
(D) and H 3 PO 4
12 . In aqueous solution, pyrophosphate will likely:
(A) form insoluble complexes.
(B) be stable and inert.
(C) degrade into inorganic phosphate.
(D) decrease the polarity of the solvent.
13 . What would be the charge of aspartic acid at pH 7?
(A) Neutral
(B) Negative
(C) Positive
(D) There is not enough information to answer the question.
14 . When a bond is created between two nucleotide triphosphates in DNA synthesis, the small
molecule released from this reaction is:
(A) pyrophosphate.
(B) inorganic phosphate.
(C) ATP.
(D) organic phosphate.
15 . The hydrogens of phosphoric acid have pKa values that: