שאלה | 38. Transport proteins of the plasma membrane:

38. Transport proteins of the plasma membrane:

		a. transport the substances in form of vesicles down the concentration gradient
		b. are universal for the transport of all substances
		c. are very specific to the transported substances
		d. specifically transport some of the substances into the cell
		e. are important in endocytosis
		f. play an important role in diffusion and osmosis
		g. transport the substances that are unable to pass into the cell by simple diffusion
		h. are used in facilitated diffusion