Microbiology 303 Exam test quiz and
answers graded A+
Viral enzymes for infection - ANS✅✅lysozyme, polymerase, neuraminidase
Lysogenic - ANS✅✅viral dna integrated into host dna, host does not die yet
most phages - ANS✅✅dsDNA genome, naked, complex
polio - ANS✅✅ssRNA virus
herpes - ANS✅✅DNA enveloped virus
3 main parts of innate response - ANS✅✅phagocytosis, inflammatory response, complement
system
2 parts of adaptive response - ANS✅✅AMI (B cells) and CMI (T cells)
produce peptide antibiotics - ANS✅✅epithelial cells
2 primary immune system locations - ANS✅✅bone marrow and thymus
occurs in thymus - ANS✅✅T cell education
2 secondary immune system locations - ANS✅✅lymph nodes and spleen
3 types of lymphocytes - ANS✅✅B cells, T cells, NK cells
3 types of antigen presenting cells - ANS✅✅macrophages, dendritic, B cells
, 3 types of effector cells - ANS✅✅activated T cells (cytoxic), differentiated B cells (plasma),
macrophages
MAMPs - ANS✅✅peptidoglycan, lipoprotein, lipoteichoic acid, LPS, flagellin
B cell Receptor - ANS✅✅recognize naked antigens, 2 binding sites
T cell Receptor - ANS✅✅must recognize antigen in context of MHC 1: all cells, or MHC 2: antigen
presenting cells, 1 binding site
T cell signaling - ANS✅✅requires 2 signals: 1 from antigen, 1 from MHC
Clonal deletion - ANS✅✅body eliminates lymphocytes that react against self-antigens, develops
self-tolerance
Clonal selection - ANS✅✅occurs when antigen encountered by B or T cells
IgG - ANS✅✅blood
IgA - ANS✅✅mucous
Course of antibody response - ANS✅✅primary slow, weak, mostly IgM, secondary rapid strong,
mostly IgG
plasma cell - ANS✅✅secretes antibody of single specificity related to that on surface of parent B
cell
T cell activation - ANS✅✅most activated in lymph nodes - becomes helper or cytoxic, 2 major
receptors TCR and CD4 or CD8
Cytoxic T cells - ANS✅✅recog. infected cells via MHC1 and kill
T Helper Cells - ANS✅✅Th1 intracellular pathogens, Th2 extracellular pathogens
answers graded A+
Viral enzymes for infection - ANS✅✅lysozyme, polymerase, neuraminidase
Lysogenic - ANS✅✅viral dna integrated into host dna, host does not die yet
most phages - ANS✅✅dsDNA genome, naked, complex
polio - ANS✅✅ssRNA virus
herpes - ANS✅✅DNA enveloped virus
3 main parts of innate response - ANS✅✅phagocytosis, inflammatory response, complement
system
2 parts of adaptive response - ANS✅✅AMI (B cells) and CMI (T cells)
produce peptide antibiotics - ANS✅✅epithelial cells
2 primary immune system locations - ANS✅✅bone marrow and thymus
occurs in thymus - ANS✅✅T cell education
2 secondary immune system locations - ANS✅✅lymph nodes and spleen
3 types of lymphocytes - ANS✅✅B cells, T cells, NK cells
3 types of antigen presenting cells - ANS✅✅macrophages, dendritic, B cells
, 3 types of effector cells - ANS✅✅activated T cells (cytoxic), differentiated B cells (plasma),
macrophages
MAMPs - ANS✅✅peptidoglycan, lipoprotein, lipoteichoic acid, LPS, flagellin
B cell Receptor - ANS✅✅recognize naked antigens, 2 binding sites
T cell Receptor - ANS✅✅must recognize antigen in context of MHC 1: all cells, or MHC 2: antigen
presenting cells, 1 binding site
T cell signaling - ANS✅✅requires 2 signals: 1 from antigen, 1 from MHC
Clonal deletion - ANS✅✅body eliminates lymphocytes that react against self-antigens, develops
self-tolerance
Clonal selection - ANS✅✅occurs when antigen encountered by B or T cells
IgG - ANS✅✅blood
IgA - ANS✅✅mucous
Course of antibody response - ANS✅✅primary slow, weak, mostly IgM, secondary rapid strong,
mostly IgG
plasma cell - ANS✅✅secretes antibody of single specificity related to that on surface of parent B
cell
T cell activation - ANS✅✅most activated in lymph nodes - becomes helper or cytoxic, 2 major
receptors TCR and CD4 or CD8
Cytoxic T cells - ANS✅✅recog. infected cells via MHC1 and kill
T Helper Cells - ANS✅✅Th1 intracellular pathogens, Th2 extracellular pathogens
