Animal Cell Structure: Cell Membrane The cell membrane is a selective barrier that separates the cells insides from the outside environment, the cell membrane only allows certain things to enter and exit the cell, such as nutrients, oxygen, and waste. Nucleus The cell’s nucleus is located in the very middle of the cell, it holds a majority of the cell’s genetic information, DNA is also found in the nucleus, and this controls each function of the cell. Like humans have brains that control everything…
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