10 kg of a pure enzyme (Mr 30 000) catalyses the conversion of 1.5 g of a substrate (Mr 44) to products in 5 minutes. What will be the turnover number in (sec^-1)  ....10^5

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#Question id: 17664

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is a information retrieval system? 

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#Question id: 2074

#Section 3: Genetics, Cellular and Molecular Biology

In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:

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#Question id: 16865

#General Aptitude

I am worried_____ the exam.

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#Question id: 15868

#Section 6: Plant, Animal and Microbial Biotechnology

If the culture is kept in stationary phase for a prolonged period, the cells may die. Why?

a) due to the time taken for doubling of cell number

b) duration of a cell generation is too large, depending mainly on the plant species.

c) stationary phase is forced on the culture by a depletion of the nutrients

d) due to an accumulation of cellular wastes

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#Question id: 14492

#Section 1: Engineering Mathematics

A die is rolled. The probability of getting a number 1 or 6 on the upper face is