Classification of immunity
Name the types in which immunity is classified?
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The immunity is classified into two types:
a) Innate immunity (or) natural immunity (or) native immunityb) Acquired immunity
What do you mean by the term haptens? Illustrate briefly with an example?
Explain why carbon monoxide is toxic for humans?
Describe the protective structures of the central nervous system existed in vertebrates?
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What are the phases into which photosynthesis is classified? Answer: Photosynthesis is classified into photochemical phase, or light reactions, and the chemical phas
Specify the cells which are responsible for production of the antibodies?
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How reproduction is completed in beings of class Reptilia?
Repeated external stimulus is more attention -attracting than a single time. Repetition increases our sensitivity and alertness to the stimulus. Thus, greater the frequency with which a sensory stimulus is presented, the greater the chances we select it for attention.
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