BIOL 209 Lecture Notes - Lecture 14: Lipid Bilayer, Cell Membrane, Phospholipid

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In order to complete this assignment, you will need to have access to the internet. Directions: go to the cell defense: the plasma membrane game at https://biomanbio. com/html5gamesandlabs/cellgames/celldefensehtml5page. html . Click start a new game! , then click press spacebar or click here to continue! . Step 1: you should now be in the choose your challenge! menu. Step 2: zoom in on the plasma membrane. From the urgent message you learn that phospholipids are made of a __phosphate__ head and _2_ __fatty__ __acid___ tails. The heads face out towards the ___water___ and the tails facing ___each___ ___other___. Draw and label a phospholipid in the box: Some substances can easily pass through the phospholipid bilayer. Ion+ because charged substances cannot pass through the membrane. Ion- because charged substances cannot pass through the membrane. Sugar because large, polar molecules don"t pass through. Step 8: insert channel proteins into the membrane. Note: you can only transport substances using channel proteins until there were.

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