What three components make up a nucleotide?

What is the difference between a scientific hypotheses and a scientific theory?

Amines amides and amino acids are categories of

First described the system of fingerprint ridges and spirals, which eventually were used for fingerprinting. a.) fare and fidelis’s pathology b.) dr. calvin goddard c.) hans gross d.) marcelo malpighi e.) leeuvenhoek’s microscope