Question

Why can oxygen diffuse across a cell membrane but a protein cannot ?

Answer 1

Oxygen is much smaller than a protein. proteins are too large, A protein cannot diffuse across a cell membrane because as the pore radius of the membrane approaches the protein radius, the mobility of the protein is significantly reduced

Answer 2

it is proteins are too large !!!!APEX!!!

Step-by-step explanation:

i just did the cst on apex