contestada

The diffusion of oxygen gas across the cell membrane always occurs -
A with the assistance of cellular energy in the form of ATP
B along the concentration gradient of the oxygen gas
C from an area of lower concentration to an area of higher concentration
D at the same rate as the diffusion of carbon dioxide gas​

Respuesta :

B. Along the concentration gradient. The oxygen moves from a higher point of concentration to a lower point of concentration to reach equilibrium. This happens through simple diffusion.

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