How are the hands of a koala adapted for life in a tree

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

This rapid change in species that rarely leaves behind fossil evidence is referred to as