What is a nucleotide?
a. a set of three bases in a mRNA molecule
b. a set of three bases in a tRNA molecule
c. a sugar and a base and a phosphate
d. a sugar and a lipid and a phosphate
e. a base and a sugar
any of several compounds that consist of a ribose or deoxyribose sugar joined to a purine or pyrimidine base and to a phosphate group and that are the basic structural units of nucleic acids (such as RNA and DNA)