Typically, a dividing mammalian cell completes its cell cycle in about how many hours?

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

a symbiotic relationship with the mitochondria

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.