animaster888
contestada

why can oxygen diffuse across a cell membrane but a protien cannot?
a. oxygen is polar unlike proteins
b. proteins asre blocked by protien channels
c. proteins are smaller than oxygen
d. oxygen is smaller than proteins

Respuesta :

Vimal1
The answer is D. oxygen is smaller then proteins.
i think the answer is D because since it's smaller it is easier to get pass the cell membrane proteins is bigger so it's harder

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