What is the process whereby molecules in vesicles are exported out of a cell?
a: diffusion
b: osmosis
c: endocytosis
d: exocytosis

Which system revise and send electrical signals throughout the body

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

What controls activities within a eukaryotic cell?