What are the parts that make up a nucleotide?
a. phosphate, amino acid, sugar
b. sugar, phosphate, nitrogenous base
c. nitrogenous base, amino acid, phosphate
d. sugar, amino acid, nitrogenous base

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car