Question
- What is the functional difference between B-cells and T cells
- Name the source used to produce hepatitis B vaccine using rDNA technology.
| B-cells | T-cells |
| They produce antibodies, that form part of humoral immunity. | They stimulate B-cells to produce antibodies and they constitute the cell-mediated immunity. |
| They are not involved in rejecting organ transplants. | They are responsible for rejecting organ transplants. |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| S. No. | Column I | S. No. | Column II |
| A. | Acrosome | 1. | Motility of sperm towards the egg. |
| B. | Head | 2. | Powerhouse of the sperm; contains a number of mitochondria. |
| C. | Tail | 3. | Contains the genetic material. |
| D. | Middle piece | 4. | Contains enzymes to dissolve egg envelopes. |