 A “thin skin” that regulates what can enter and leave the cell.

 Only certain substances can pass through

 The movement of molecules across the cell membrane without the use of energy.

 The movement of molecules from areas of high concentration to areas of low concentration.

 The diffusion of water through a cell membrane

 Using energy to transport molecules across a cell membrane.

 The process in which a cell surrounds a large particle to bring it into the cell

 A vesicle or bubble forms around a molecule and brings it to the cell membrane to release it outside the cell

 Read pages  Complete a venn diagram for each of the following: 1. Diffusion –vs- Osmosis 2. Active -vs- Passive transport 3. Endocytosis – vs- Exocytosis  Write a summary paragraph about what you read. (4 to 5 sentences)

Find someone who can name the 4 things all cells have. Find someone who can tell you 3 ways plant cells are different than animal cells Find someone who can give you an example of a prokaryotic and eukaryotic cell. Find someone who knows 2 types of passive transport. Find someone who knows 2 types of active transport. Find someone who knows how active transport differs from passive transport. Find someone who knows how eukaryotic cells are different than prokaryotes Find someone who knows what structure in a cell regulates transport. Find someone who can explain what selectively permeable means.