Question

Which molecule was able to diffuse across the membrane? Explain why!

Answer 1

Which types of molecules are able to diffuse across the cell membrane?

water molecules (Yes)

small molecules (Yes)

very large molecules (No)

fat-soluble molecules (Yes)

Answer 2

lipid

Step-by-step explanation:

The struture of lipid bilayer allows small uncharged substances such as oxygen and carbon dioxide,and hydrophobic molecules such as lipids,to pass through the cell membrane,down their concentration gradient,by simple diffusion