UNCG Bio 280 Final Exam Questions & Answers Already Graded A+

Holder" on APC cell - Macrophages - Dendritic Cells - B-Lymphocytes - MHC II Adjuvant - Help boost response by "irritating" immune system or clumping Antigens After APC goes to Lymph node... - APC touches and activities naive t-helper cells (TH0) and Tcytotoxic cells (Tc0) T-cell receptor: Membrane protein matches MHC II APC Agglutination - Clumping Fab binds to different antigen-bearing cells, causing clumping Great for Bacteria, larger viruses All antibodies are variations / combinations of... - Monomers Allergens - Allergy producing Antigens Antibodies actions.... - Agglutination Opsonization Natural Killer Activation (ADCC) Complement ActivationNeutralization Oxidation Antibodies structure... - Proteins - Also called gamma globulins or immunoglobulins APC - Antigen Presenting Cell Attenuated - Live cells injected Type of whole cell vaccine Multiple Antigens = multiple memory cells Reproduce in body to amplify response Highest effect Most dangerous Attenuated Recombinant - Virulence gene taken out Safe and effective Base of "Y" - Fc (Fraction constant/crystallizable) Cell-Mediated Immunity (Carried out by Cells) - 1. First initiated (1-2 days) 2. T-cell activation and cloning 3. Specific cytotoxic T-cells go throughout body Cell-Mediated Second exposure process... - Same responses as normal.... PLUS Tm cells : no need for APC- Form active Tc cells within minutes Chemotaxis - How Tc cells find abnormal or infect self cells Cloned B-cells become... - Majority : plasma cells - Begins 5 days into Infection - Produce up to 2000 molecules per second Minority: B-memory cells - Remain dormant in Lymph node until second exposure