1. Which one of the following amino acids is catalyzed by activated macrophages to produce reactive nitrogen species?
2. Recombinant live attenuated vaccine against hepatitis B was prepared from
3. Which of the following statements about immune response are correct?
P. T cells are activated by antigen-presenting cells.
Q. Foreign peptides are not presented to helper T cells by class II MHC proteins.
R. Dendritic cells are referred to as professional antigenpresenting cells.
P. T cells are activated by antigen-presenting cells.
Q. Foreign peptides are not presented to helper T cells by class II MHC proteins.
R. Dendritic cells are referred to as professional antigenpresenting cells.
4. Which one of the following complement proteins is the initiator of the membrane attack complex?
5. Which class of antibody is first made by developing B cells inside bone marrow?
6. Macrophages eliminate pathogenic bacteria upon activation by
7. Match the items Group I with Group II.
Group I
Group II
P. Programmed cell death at site of infection
1. TMV coat protein
Q. Hormone upregulated during flooding stress
2. EPSP synthase
R. Target for herbicide glyphosate
3. Hypersensitive response
S. Pathogen-derived resistance
4. Ethylene
| Group I | Group II |
| P. Programmed cell death at site of infection | 1. TMV coat protein |
| Q. Hormone upregulated during flooding stress | 2. EPSP synthase |
| R. Target for herbicide glyphosate | 3. Hypersensitive response |
| S. Pathogen-derived resistance | 4. Ethylene |