BIOL 5500

This document contains final exam questions and answers for BIOL 5500. It covers key biological concepts, including advanced topics in cellular processes, genetics, and molecular biology. The material is organized to support effective revision and reinforce understanding of core concepts commonly tested in final assessments.

BIOL 5500 FINAL EXAM 3 QUESTIONS AND ANSWERS Ab Effector functions •Neutralization •Complement fixation •Opsonization •Triggers physical mechanisms of pathogen elimination •Triggers allergic responses, mast cell degradation •Antibody dependent cellular cytotoxicity FcyR1 binds to IgG3/1 involved in opsonization found on macrophages and DC (and neutrophils and eosinophils) and leads to macrophage activation FcyRIIB1 binds to IgG involved in inhibition of Naïve B cell activ...

BIOL 5500 FINAL EXAM QUESTIONS AND ANSWERS bacteria extracellular or intracellular prokaryotic viruses intracellular fungi and parasites eukaryotic extracellular antimicrobial enzyme that degraded peptidoglycan of bacterial cell walls lysozyme defensins and cathelicidins amp that must be cleaved for activity calprotectins metal binding amps that sequester Mg2+ and Fe2+ histatins amps rich in histadine present in oral cavity anti-fungal pluripotent multipotent all most ...

BIOL 5500 Exam 3 QUESTIONS AND ANSWERS Antibodies consist of two identical heavy chains and two identical light chains Regions of TCRs and BCRs that are particularly variable in their amino acid sequences are known for binding to antigen MHC molecules are recognized by T cells Based on your knowledge of MHC I and II, predict which cell type would be MOST likely not to express detectable MHC I erythrocytes -MHC I is present on nucleated cells. Which of the following cell types w...

BIOL 5500 exam 1 QUESTIONS AND ANSWERS Which cells make antibodies? B cells 3 major functions of complement recruit inflammatory cells (phagocytes) opsonization of pathogens perforation of pathogen cell membranes which complement pathways are most alike? MBL and classical How is the classical pathway activated? antigen-antibody complexes that recognize and bind to cell surface How is the MBL pathway activated? by natural molecules in our body that recognize sugars at surface of...

BIOL 5500 FINAL EXAM QUESTIONS AND ANSWERS CD3 Helps to send a signal from TCR into the T cell. Has epsilon and delta subunits CD4 T helper cell. Has different subsets CD8 killer T cell; proliferation via IL-2 CD18 adhesion molecule, deficiency causes leukocyte adhesion deficiency (LAD); PMN and monocytes stuck in bloodstream, preventing diapedesis CD25 alpha chain of IL-2 receptor, could help prevent autoimmune diseases CD28 involved in secondary activation cascade for T cells; ...