27. The distribution of marks scored by a large class in an exam can be represented as a normaldistribution with means π and standard deviation π. In a followβup exam […]
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Kinetics of Protein Precipitation by Ammonium Sulphate
26. Which one of the following graphs represents the kinetics of protein precipitation by addition ofammonium sulphate? On the Yβaxis, [Protein} represents the concentration of free protein in solution. Introduction […]
Shannon Entropy Calculation
25. At the transcription start site of a gene, any of the four nucleotides can occur with equal probability p. The Shannon Entropy S, given by S = βΞ£i=14 pi […]
Bacterial Genome Replication Time
24. A bacterium has a genome of size 6 million base pairs. If the average rate of DNA synthesis is 1000 base pairs/second, the time taken (in minutes) for replication […]
Consensus Sequence Determination
23. The transcription factor X binds a 10 base pair DNA stretch. In the DNA of an organism, X was found to bind at 20 distinct sites. An analysis of […]
Chemostat Substrate Consumption Rate
22. A 5 liter chemostat is fed fresh medium at 0.2 liters/minute having a substrate concentration of 25grams/liter. At steady state, the outgoing stream has substrate concentration of 2.5 grams/liter. […]
Michaelis-Menten Kinetics
21. An enzymatic reaction exhibits MichaelisβMenten kinetics. For this reaction, on doubling theconcentration of enzyme while maintaining [S] >> [E0],(a) Both Km and Vmax will remain the same.(b) Km will […]
Michaelis-Menten Kinetics
21. An enzymatic reaction exhibits Michaelis-Menten kinetics. For this reaction, on doubling the concentration of enzyme while maintaining [S] >> [E0], (a) Both Km and Vmax will remain the same. […]
PCR Reaction Mixture
20. A polymerase chain reaction (PCR) was set up with the following reagents: DNA template, Taq polymerase, buffer, dNTPs, and Mg2+. Which one of the following is missing in the […]
Southern Blotting
19. A proto-oncogene is suspected to have undergone duplication in a certain type of cancer. Of the following techniques, which one would verify the gene duplication? (a) Northern blotting (b) […]


