Homework Help Question & Answers
Germinal centers arise within ______ after initial exposure to thymus dependent antigen in the lymph node…
Germinal centers arise within ______ after initial exposure to thymus dependent
antigen in the lymph node
A. 7-10 days
B. 24 hours
C. 1 month
D. 1 hour
Blood-borne antigen is filtered by the ______
A. Spleen
B. Liver
C. B Cells
D. Heart
67. What is the most widely used carrier protein?
A. flagellin
B. antibiotics
C. LPS
D. BSA
68. Secondary response has a shorter _____
A. Clonal selection
B. Lag period
C. Ab secretion
D. TLR
69. B cell co-receptor is made up of what cell membrane molecules
A. TAPS-1
B. CR2
C. CD19
D. All of the above
70. Cross Linking of BCR complexes triggers phosphorylation of _____ on Igα and Igβ
A. antigens
B. ITAMs
C. MHC
D. immunoglobulins
71. B cell activation without the direct participation of T h cells
A. Thymus independent antigens
B. Class switching
C. Affinity maturation
D. Antigen presentation
72. Naive B cells are at what stage of the cell cycle?
A. S phase
B. M phase
C. G 2 phase
D. G 0 phase