The basic principle of radioimmunoassay is
A: The radiolabeled antigen reacted with excessive specific antibody
B: The radiolabeled antigen reacted with a limited number of specific antibodies
C: Radiolabeled antigen and unlabeled antigen reacted competitively with limited amount of specific antibody
D: Radiolabeled antigen and unlabeled antigen reacted with excessive specific antibody
A: The radiolabeled antigen reacted with excessive specific antibody
B: The radiolabeled antigen reacted with a limited number of specific antibodies
C: Radiolabeled antigen and unlabeled antigen reacted competitively with limited amount of specific antibody
D: Radiolabeled antigen and unlabeled antigen reacted with excessive specific antibody
举一反三
- Compared with normal mice, mice immunized with antigens for many times have the larger and heavier spleens because of ( ). A: proliferation of antigen specific T cells B: proliferation of antigen specific B cells C: proliferation of antigen specific T and B cells D: proliferation of antigen non-specific T and B cells
- PCR is used to detect ( ) A: Antigen B: Antibody C: DNA or RNA D: Complement
- The type of blood is decided by ____.() A: The<br/>type of receptor on RBC membrane B: The<br/>type of antigen on RBC membrane C: The<br/>type of antibody on RBC membrane D: The<br/>type of antigen in plasma E: The<br/>type of antibody in plasma
- Cross presentation alerts ______ cells by providing ___________. A: TC; exogenous antigen on MHC I B: TC; endogenous antigen on MHC II C: TH; exogenous antigen on MHC I D: TH; endogenous antigen on MHC II
- 重组抗原疫苗（recombinant antigen vaccine）