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Oxford Tutorial Notes Contains all the information you need for your 5 minute presentation on each of the 3 topics for Bio 130 Tutorial!

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BIOL 130
Niels C Bols

Phagocytosis What mechanisms do professional phagocytes have to kill bacteria and how do some bacteria get around themPhagocytosis is the process where materials are taken into the cellIt is also known as celleating because thats what the process resemblesIn this process the phagocyte such as macrophages or neutrophils which are types of white blood cells in mammals recognize invading organisms such as pathogens as well as damaged or dying cells and debrisOnce recognized receptors on the surface of the phagocyte bind to the receptor sites on the invading organism which initiates the phagocytic processThrough actin polymerization folds in the cell membrane known as pseudopodia literally false feet stretch and envelop the material forming a vacuole or phagosome which then pinches off on the inside of the cell membrane as the folds of the cell membrane fuse back togetherOnce inside the cell a lysosome containing lysosomal enzymes from the Golgi Complex fuses with the phagosome forming a phagolysosomeHere there are a few different ways in which the material can be digested or destroyed o They ma
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