AP bio unit 2

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4 Terms

1
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What is the Plasma Membrane ?

A bilayer of phospholipids that separates the internal cell environment from the external environment because of the phospholipids being amphipathic

2
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What is Selectively Permeable?

Ability of membranes to regulate the substances that enter and exit

3
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What is a Fluid Mosaic Model?

A model to describe and show the structure of cell membranes

4
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Fluids are held by __________

weak hydrophobic bond interactions that allow movement and shifting