3. which of the following is a major part(s) of the cell theory?

a. all organisms are composed of one or more cells.

b. all cells that currently exist have originated from pre-existing cells.

c. cells are the most basic structural and functional unit of life.

d. all cells possess dna enclosed within a nucleus.

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?

Will camels hump ahrinks.give reason

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?