BIO 1140 Lecture Notes - Lecture 6: Sphingosine, Phosphatidylserine, Lipid Bilayer
10 Mar 2016
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Sl 1: desmosomes: kerain plaques+ kerain intermediate ilaments that anchor together. Cilia: many, moving pathogens across the surfaces, moving things in the environment over and above, short, movement begins right near the plasma membrane-near the base. Flagella: one or two usually, move the cell itself in its environment, much longer, rotary or whip-like movements (s wave, propeller) Both: emerge from basal bodies made of microtubules- centrioles, 9+2 strucutre, use microtubules to exert diferent moion. There is a motor protein involved and it is moving forward. It is using one doublet as if it were the cargo and the other it is using as a thing to walk on. If they weren"t linked together, instead of bending they would slip apart. Here they are using one doublet to walk on and the other as cargo. If the doublet wasn"t atached to the next one, as it moves forward, then the doublets would separate.
