Diffusion student worksheet
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Diffusion will occur from areas of higher concentration to lower concentration. Molecules will diffuse into and out of cells down their concentration gradients, without requiring energy expenditure by the cell. The cell membrane is selectively permeable, allowing some molecules like sugars to pass through, driving diffusion across the membrane.
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Diffusion student worksheet
- 1. Diffusion Worksheet<br />Use arrows to indicate the direction of diffusion in each case: is a molecule that can pass through the cell membrane. is a cell membrane.<br />A)B)<br />For each of the situations below use an arrow to indicate the net movement of sugar into or out of the cell. (Assume that the sugar molecules can pass through the cell membrane in each case.)<br />1% sugar5% sugar3% sugar1% sugar1% sugar1% sugar<br />The cell membrane is made of a ___________________ ______________________.<br />The cell membrane is _________________permeable. This means that ____________ ______________________________________________________________________.<br />Diffusion always causes particles to move from a region of _______________ concentration to a region of ______________ concentration. <br />Does a cell expend energy when molecules diffuse in or out of the cell?<br />