tntiammaE ncraphadsous 23 The RTV wirun whsch ceuses AIDS s a naked (honsenvelop
ID: 270825 • Letter: T
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tntiammaE ncraphadsous 23 The RTV wirun whsch ceuses AIDS s a naked (honsenvelopedy wrun uses only A polymerase to rpaleato can sntect atl ymphocytns 24. Which of the foll owing is FALSE about nonoclonal antibodles? bl They are sometimes used as anti-cancer druOS C1 They can be available in 1arge quantsties d) They are isolated fxom matuce B l ymphocytes 25. Fluorescent antibodies CD4 1ympho be used in a procedure to count a) cannot 26. Exotoxin can be produced by a) only gram pomitive bactoria b) only gram negativo bacteria c) both gram negative and gram pomitive bacteria 27. Endotoxin: a) is composed ot protein b s Lnactivated by heat c) causes general symptoms, such as, tever d) all the above 28. The toxicity exotoxin is the toxicity of endotoxin b) higher than c) the same a a) lower than 29. Cytotoxic Tcells: a) induce apoptosis in virua infected cells b) phagocytize cancer cells c)produce Igo d) all the above 30. Plasma cells are derived from a) B lyphocytes b) T lymphocytes 31. The humeral immune response defends the body primarily against: a) INTRAcellular viruses c) INTRAcellular bacteria b) EXTRAcellular viruses d) transplanted tissue 2. Which of the following is true? a) Antigens can be very small molecules (100 molecular weight) b) Proteins are usually antigenic c) Lipids are usually highly antigenic. d) All the above statements are trueExplanation / Answer
22) increase blood vessel permebility
23) has RNA in the viral capsid
24) They can be available in large quantities
25) can
26) both gram negative and positive bacteria
27) cause general symptoms such as fever
28) higher than
29) induce apoptosis in viral infected cells
30) B lymphocytes
31) extracellular viruses
32) all the baove statements are true
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