key concepts of biology 0.0 / 5 ? Biologykey biological conceptsGCSEEdexcel Created by: casper1478Created on: 07-12-18 18:59 has an acrosome sperm cell 1 of 5 a specific substrate to an enzyme active sight lock and key model 2 of 5 contains water particles osmosis 3 of 5 only goes from a low to high concentration active transport 4 of 5 the cell has a vacuole plant cell 5 of 5
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