Body cells infected with virus or bacterium
Abnormal cells appears in the cytoplasm
Endoplasmic reticulam incorporates abnormal peptides as peptides into MHC 1
Golgi apparatus packages MHC 1 molecules into secretory vesicles
Class 1 MHC displays abnormal peptides in the plasma membrane
20 HW ugh Topic: Module 20.15 . Adaptive immunity is triggered by exposure of T cells...
immunology practing samples and not sure if my answers correct. 1. NK cells are effective against viral infections because many virus infected cells a. are susceptible to lysis b. are susceptible to phagocytosis c. show reduced levels of MHC class I molecules d. show reduced levels of MHC class II molecules e. none of the above 2. Arachidonic acid serves as a substrate in the lipoxygenase and cyclooxygenase pathways resulting in the production of a. histamine, leukotrienes b. leukotrienes, prostaglandins...