The difference between a nucleoside and a nucleotide is that the nucleotide has one or more groups attached to the sugar and the nucleoside does not.

well

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

i won't lie i don't know so go online and ask google thats what i do