AP Biology Immune Systems Part 1.

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Presentation transcript:

AP Biology Immune Systems Part 1

Bozeman Immune System http://www.youtube.com/watch?v=z3M0vU3Dv8E

Glycolipids and Glycoproteins of the ECM

Innate Immunity

Phagocyte “eating” a pathogen

Macrophage Chasing Bacteria http://www.youtube.com/watch?v=I_xh-bkiv_c

Immune Response Pathogen Pin Blood clot Macrophage Blood clotting elements Chemical signals Phagocytic cells Capillary Phagocytosis Red blood cell

Glycolipids and Glycoproteins of the ECM

Infected cell Microbe Antigen- presenting cell Antigen fragment MHCs Infected cell Microbe Antigen- presenting cell Antigen fragment Antigen fragment Class I MHC molecule Class II MHC molecule T cell receptor T cell receptor Cytotoxic T cell Helper T cell

How do MHC’s work? MHC I

MHC II

Plant defenses - Thorns

Plant defenses - cork

Predatory attractants and the Signal Transduction Pathway Recruitment of parasitoid wasps that lay their eggs within caterpillars Synthesis and release of volatile attractants Wounding Chemical in saliva Signal transduction pathway

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