Question

Is diffusion the only way materials can enter the cell?



A. no; the cell is capable of actively transporting materials across its membrane


B. multicellular organisms have organs that can transport materials across cell membranes while unicellular organisms do not


C. no; charged ions enter the cell because of their electrical attraction not the concentration gradient


D. yes; diffusion is the only way materials can enter the cell

Answer 1

the answer is D

Answer 2

Thanks once again, YOUR A LIFE SAVER! :))

Answer 3

no problem ;)

Answer 4

but i gtg so this might be the last one ill answer