Question #1b4b1

1 Answer
Sam S.
Oct 28, 2015

The same reason knights wear armor.

Explanation:

The membrane:
- Keeps the cell's organelles and other important cellular products, like proteins and ions, inside the cell.
- Keeps harmful objects out. For example, ions that would upset the concentration of ions equal in the cell.
- Controls the import and export of matter into and out of the cell.

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