Pyrophosphate is a
A) building block for DNA synthesis.
B) by-product of DNA synthesis.
C) precursor to DNA synthesis.
D) fire phosphate used in nucleic acid metabolism.
E) All of the above

Question

Quizplus · Accepted Answer

Pyrophosphate is a by-product of DNA synthesis. During DNA synthesis, pyrophosphate is released through the hydrolysis of the phosphate bond between two nucleotides. This release of pyrophosphate also provides the energy needed for DNA synthesis. It is not a building block or a precursor to DNA synthesis, and it is not commonly referred to as "fire phosphate."

Pyrophosphate Is a