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What is a nucleotide? What are the 3 parts?
A nucleotide is the repeating unit (monomer)of nucleic acids (DNA/RNA). The parts of DNA are deoxyribose sugar, phosphate and a nitrogeneous (nitrogen containing) base (ATCG). The parts for RNA are a ribose sugar, phosphate and a nitrogenous base (ATCG).
What holds the bases together in the middle of the helix?
Hydrogen Bonds (bonds between a hydrogen on one base and a nitrogen or oxygen on the complementary base).
What did Hershey and Chase show with their famous blender experiment?
They provided strong evidence that DNA was genetic material.
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