Answer:
Starch
Explanation:
I'm assuming that we are talking about plants and plants store extra glucose as starch molecules.
I think the answer is Cell it should me .
DNA polymerase catalyses hydrolysis reaction between adjacent nucleotides. So does contribute to DNA synthesis.
(But other enzymes e.g. DNA helicase is needed before this to unwind the DNA strand so that complementary base pairing can take place)