Answer:
The answer to your question is Nucleotides
Step-by-step explanation:
Nucleotides are the building blocks of DNA and RNA.
Nucleotides are composed of a sugar, nitrogenous base and phosphate.
The Sugar can be ribose and deoxyribose
Nitrogenous bases are Guanine, Cytosine, Adenine and Thymine or Uracil in RNA.