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प्रश्न
Enlist any two features of Acquired immunity.
Give any two unique features of acquired immunity.
Explain unique features of acquired immunity.
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उत्तर
- Specificity: It can produce a specific antibody or T-lymphocyte against a particular antigen/pathogen.
- Diversity: It can recognize a vast variety of diversity pathogens or foreign molecules.
- Discrimination between self and non-self: It differentiates between the own body (self) and foreign (non-self) molecules.
- Memory: When the immune system encounters a specific foreign agent for the first time, it generates an immune response and eliminates the invader. This is called a first encounter. The immune system retains the memory of the first encounter. As a result, a second encounter with the same pathogen brings about quicker.
संबंधित प्रश्न
Write a note on erythrocytes.
Given below is a scheme of classifying immunity against human diseases. Fill up the types of immunity in the blanks 1-9.
Write the full forms of: HIV
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What do the abbreviations CMIS denote?
A similar disease generally does not reappear in a child due to the presence of which type of cells?
Which type of immunity is acquired by antigenic stimulus?
Which cells deliver co-stimulatory signals for helper T-cells?
On coming in contact with an antigen, a sensitized T-lymphocyte produces ____________.
