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Specific Acquired Immunity
Body in the long run develops specific immune mechanisms for each species. These mechanisms are not innate but are acquired after exposure to the specific organism. Acquired (adaptive) immunity, therefore, refers to antigen-specific defence mechanisms that take several days to become protective and are designed to react with and remove a specific antigen. This is the immunity one develops throughout Adaptive immunity usually improves upon repeated exposure to a given infection and involves:
describe the factors which decide the broad area of scientific activity
give the importants segnificant figure in measure quantities
Acute and Chronic Effects : The effects of accidents due to chemicals are severe and immediate on the human body. These effects are called acute effects and can be traced without
What minerals attract lightning? Ans) Big structures and things that are metal attract lightning, also trees do. In fact, anything that is metallic having mineral may seem
I just don''t get it
Vaccination: Now let us see how vaccination protects us from disease. We have mentioned above that the W.B.Cs. produce antibodies which neutralise the toxins produced by th
Fire Escapes : When a fire breaks out in a building, it is not unusual for people to panic. Sometimes flames can spread rapidly, especially if fanned by blow of air from open or b
What is the term for groundwater emerging naturally at the ground surface, where the water table intersects the surface: Spring is the term for groundwater emerging aturally
Explain somatic mutation theory of ageing Random mutation makes the cells inefficient. An increase in the number of mefficient cells in an organ impairs their functioning. Rand
What is an atom?
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