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प्रश्न
Answer the following question.
Differentiate between the roles of B-lymphocytes and T-lymphocytes in generating immune responses.
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उत्तर
| T lymphocytes | B lymphocytes |
| Originate in the bone marrow and mature in the thymus. | They are born and also mature in the bone marrow. |
| T cells multiply and differentiate into helper, regulatory, or cytotoxic T cells or become memory T cells. | B lymphocyte differentiates into a plasma cell, which secretes immunoglobulin. |
| T cells are involved in cell-mediated immunity | B cells are primarily responsible for humoral immunity (relating to antibodies). |
संबंधित प्रश्न
Sketch and label structure of Antibody
How do cytokine barriers provide innate immunity in humans?
State the role of the thymus as a lymphoid organ. Name the cells that are released from it and mention their function.
Mention one application of the following:
Colostrum
Which one of the following is the most accurate definition of the term ‘health’?
Enlist any two features of Acquired immunity.
All of the following statements are true with respect to immunity, EXCEPT
Which cells deliver co-stimulatory signals for helper T-cells?
Match column I with column II and choose the correct option.
| Column I | Column II | ||
| i. | Specificity | a. | Lymphocytes produced against each particular foreign molecule |
| ii. | Diversity | b. | Self-cells are not attacked by immune system of the own body |
| iii. | Memory | c. | Immune system works against multiple pathogens |
| iv. | Discrimination between self and non-self | d. | Stronger immune response on second encounter |
Any foreign substance invading body and capable of stimulating an immune response is ____________.
