What are the three main components of a DNA molecule?
A. A sugar, a nucleotide, and an amino acid
B. A sugar, a phosphate group, and an amino acid
C. A sugar, a phosphate group, and a nitrogenous base
D. A sugar, a water molecule, and a nitrogenous base.

Question

What are the three main components of a DNA molecule? 
A. A sugar, a nucleotide, and an amino acid
B. A sugar, a phosphate group, and an amino acid 
C. A sugar, a phosphate group, and a nitrogenous base
D. A sugar, a water molecule, and a nitrogenous base.

jabez177 · Answer

These components are: Phosphate Group. 2-deoxyribose sugar. A nitrogen containing base. https://www.ndsu.edu/pubweb/~mcclean/plsc731/dna/dna4.htm