BIO130H1 Lecture Notes - Lecture 20: Atp Hydrolysis, Kinesin, Dynein
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BIO130H1 Full Course Notes
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Document Summary
Nerve cells in your spinal cord extend to your finger tips: these neurons can be a meter long, the kinesin protein! The er and golgi are located in the cell body. A motor protein that walks along microtubules. One foot in front of the other: kinesin and dynein. The two types of proteins that make up these proteins: Dynein movement: towards the cell body. Kinesin movement: towards the axon terminus. Er, golgi, and plasma membrane: note you can move vesicles as well as other organelles, minus end facing golgi, plus end facing plasma membrane. You can move peroxisomes and mitochondria around in the cell. Apical end and basolateral ends: transmembrane proteins made in er membrane then transporter. Made of: cell motility (crawling, contractile activity, cytokinesis, actin monomers, flexible, inextensible, helical filaments. Motor protein: myosin, not kinesin or dynein parallel bundle. Can make, among other things, contractile bundle, gel-like network, or tight. Composed of a single type of globular protein.