What is the difference between a nucleotide and a nucleoside?

The correct answer is "A nucleoside only consists of a nitrogenous base covalently attached to a sugar, while a nucleotide have at least one additional phosphate group".

Explanation:

The main difference between a nucleotide and a nucleoside is that a nucleoside only consists of a nitrogenous base covalently attached to a sugar, while a nucleotide have at least one additional phosphate group. A nucleoside is comprised of a nitrogenous base attached to a ribose or deoxyribose, while a nucleotide have this two elements and can have either one, two or three additional phosphate groups.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.