Assertion: nucleotide's base | /r/HasProperty | dna building blocks
Facets:
Source sentences:
text: Included with the primer and DNA polymerase are the four deoxynucleotide bases (DNA building blocks), along with a low concentration of a chain terminating nucleotide (most commonly a di-deoxynucleotide).
text: To simplify even further, a base is a building block of DNA and there are 4 such building blocks as mentioned in the first point.