The cell wall contains not only cellulose and protein, but other polysaccharides as well. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell. The cell wall also prevents the plant cell from bursting when water enters the cell.
Its B. <span>Australopithecus africanus, Homo erectus, Homo neanderthalensis</span>
passive: doesn't require energy, from high to low concentration
active:requires energy, from low to high concentration
i dont know maybe
The answer is adrenal gland
