What does the term variolation refer to?

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#Question id: 16854

#General Aptitude

On looking at the cloudless sky, Peter said, "It won't rain today."

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#Question id: 27369

#Section 3: Genetics, Cellular and Molecular Biology

siRNA are produced by __________

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#Question id: 15463

#Section 4: Fundamentals of Biological Engineering

A system in which there is exchange of energy but not of mass, is called a/an    ______                 system

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#Question id: 1545

#Section 2: General Biology

B cells negatively regulated by,

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#Question id: 2608

#Section 3: Genetics, Cellular and Molecular Biology

Which amino acid is involved in last step;