Biology
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

Theodore Schwann
Robert Hooke
Robert Brown
Rudolf Virchow

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Biology
Normal adult human male has

14 gram of haemoglobin/100 gram of blood
18 gram of haemoglobin/100 gram of blood
10 gram of haemoglobin/100 gram of blood
24 gram of haemoglobin/100 gram of blood

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