Question
Antigen and antibody.
✓
Answer
| Antigen | Antibody |
| 1. Antigens are foreign proteins which are capable of producing infection. | 1. Antibodies are immunoglobulins produced by the body to act against the antigens. |
| 2. The structure of antigens is variable dependent upon the type of pathogen. | 2. The structure of antibody is Y-shaped. |
| 3. The antigen is the ‘non-self’ molecule. | 3. The antibody is ‘self’ molecule. |
| 4. The antigens have epitope sites which bind with the antibody molecule. | 4. The antibodies have paratope sites which bind with the antigen molecule. |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain unique features of acquired immunity.
Give scientific reasons: Nucellar polyembryony is significant in horticulture.
Name the foetal membrane that provides a fluid medium to the developing embryo. Mention its two functions.
Give physiological effects and applications of cytokinin.
Why is zonation more pronounced at the edges of habitat?
What are the different characters that develop due to Klinefelter's syndrome?
Define Hamburger’s phenomenon. Add a note on it.
Enlist the probable causes of infertility.
(a) Following are the diagrams of entry of pollen tube into ovule. Identify the type A and B.
(b) Give any four points of significance of double fertilization.
(b) Give any four points of significance of double fertilization.
- How may codons code for amino acids and how many are unable to do so?
- Why are codes said to be.
- Degenerate.
- Unambiguous.
- How many codons code for amino acids and how many do not?
- Explain the following giving one example of each.
- Unambiguous and specific codon.
- Degeneration codon.
- Universal codon.
- Initiator codon.