why do you think the opening in cell membranes are different sizes?

2006-09-28 15:23:38 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Biology

I think so they can let different things in when they need 'em, like water, nutrients.

2006-09-28 15:25:46 · answer #1 · answered by J G 4 · 0⤊ 0⤋

cells are like finger prints each one is different. It also depends on the species.

2006-09-28 22:32:06 · answer #2 · answered by oriana 2 · 0⤊ 0⤋

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