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Title: answers to these questions in the forum you are all wrong its TFFT Post by: elainedonnelly on May 4, 2015 1. Passive diffusion does not require the expenditure of energy in order to transport molecules across a biological membrane.
2.Diffusion involves the movement of molecules from an area where they are more concentrated to an area where they are less concentrated. 3.The diffusion of molecules requires the presence of a concentration gradient. 4. Diffusion cannot result in the abolition of a concentration gradient. I made the biggest mistake in trusting four individuals answers to be true to these questions, it was for a test and I took the easy way out instead of studying up properly and answering the questions myself, I did that and I doubted my answers and thought I was wrong because there was four of you with the same answers, turns out I was right and you were wrong, I'm really pissed at myself, lesson learnt |