All organisms have dna, which differs only in the number and order of each type of nucleotide. this suggests that all organisms have
a) a common ancestor.
b) the same amount of dna.
c) the same types of proteins.
d) a common reproductive cycle.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

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

How are viruses different from eukaryotic cells?