What does the term variolation refer to?

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#Question id: 21163

#Section 5: Bioprocess Engineering and Process Biotechnology

The half life period of a first order reaction is given by (where, K = rate constant. )

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#Question id: 213

#Section 2: General Biology

Which amino acid can form a covalent bond to the coenzyme pyridoxal phosphate?

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#Question id: 15915

#Section 6: Plant, Animal and Microbial Biotechnology

Culture freshly prepared from isolated tissue is known as _____ 

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#Question id: 17285

#Section 1: Engineering Mathematics

If the arithmetic mean of the data given below is 28, 

The median of the series is  

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#Question id: 15611

#Section 1: Engineering Mathematics

If A=   the value

A² - 5A + 7I