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4. Oxygen molecules move across cell membranes through a process called

O diffusion
O collision
O engulfing
osmosis

1 Answer

7 votes

Answer:

Diffusion

Step-by-step explanation:

Oxygen molecules can travel through the phospholipid bilayer using diffusion. Diffusion is when molecules travel from a higher concentration to a lower concentration.

User Olly Hodgson
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