AP Biology

Immune SystemsPart 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

Chemical signals

CapillaryPhagocytic cells

Macrophage

Red blood cell

Bloodclottingelements

Blood clot

Phagocytosis

Glycolipids and Glycoproteins of the ECM

MHCs

Antigen-presentingcell

Antigenfragment

Class II MHCmolecule

T cellreceptor

Helper T cell

Antigenfragment

Class I MHCmolecule

T cellreceptor

Cytotoxic T cell

Infected cell Microbe

How do MHC’s work?

MHC I

MHC II

Plant defenses - Thorns

Plant defenses - cork

Predatory attractants and the Signal

Transduction PathwayRecruitment ofparasitoid waspsthat lay their eggswithin caterpillars

Synthesis andrelease ofvolatile attractants

Signal transductionpathway

Chemicalin saliva

Wounding