Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
Answer:
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Explanation:
bit. ly/3a8Nt8n
Soil and air because it is needed for the development of living beings
Answer:
Gametes
Explanation:
Gametes consist of sperm cells and egg cells...
The answer is Gemini trust me