What do you mean by bursa of fabricius
What do you mean by bursa of fabricius?
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This is a lympho epithelial organ occurring as a pouch from dorsal portion of the cloacae in birds. Its structure, development, and function are parallel to such of thymus. In birds, this is the main site of B-cells maturation.
What is the hard systems model of change? Why is this model of change limited in certain situations, especially complex situations?
Give a brief explanation of vaccination.
Explain the chief features of the bryophytes?
Write down the cellular structure in which mRNA molecules bind to start protein synthesis?
Give a description of nymph and imago?
Who were Francis Crik, James Watson and Maurice Wilkins?
How symmetry and nervous system typified in echinoderms?
How the circulatory systems participate within the functioning of endocrine system?
What do you mean by immunolabeling?
How are excretory systems of the three major arthropod classes comprised?
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