CELL MEMBRANE

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CELL MEMBRANE
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http//www.youtube.com/watch?v9eQ0WUz-pWw cell
membrane
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• Cells IV- The Cell in its Environment
• A. Cell Membrane
• 1. Function
• i. To control what __________ and
  __________ the cell
• ii. __________________
  __________________
• permeable to ____________sized molecules
• not permeable to _____________ sized
  molecules
• 2. Structure
• i. ________________-
• Bi__________
• Lipid_________
• B. How do things enter and exit the
  cell membrane?
• 1. Passive Transport- Does not require
  __________to move materials into/out of the cell
• i. DiffusionMovement of materials from an
  area of _________ to an area of _______
• ii. Osmosis Diffusion of ____________

enters
exits
Selectively (semi)
permeable
small
large
Bilipid layer
2
fat

ATP
H
L
water
ATP
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