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30. The circular dichroism spectra of three proteins P, Q, and R are given below:Choose the correct combination.(a) P: α–helix, Q: β–sheet, and R: Random coil(b) P: β–sheet, Q: α–helix, […]

29. Match the proteins in Group I with cellular processes in Group IIGroup I                           Group IIP. p53    […]

28. The angle (in degrees) between the vectors 𝑥⃗ = 𝑖̂ − 𝑗̂ + 2𝑘̂ and 𝑦⃗ = 2𝑖̂ − 𝑗̂ − 1.5𝑘̂ is __________. The angle is 45 degrees […]

27. The distribution of marks scored by a large class in an exam can be represented as a normaldistribution with means 𝜇 and standard deviation 𝜎. In a follow–up exam […]

26. Which one of the following graphs represents the kinetics of protein precipitation by addition ofammonium sulphate? On the Y–axis, [Protein} represents the concentration of free protein in solution. Introduction […]

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 = −Σi=14 pi […]

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 […]

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 […]

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. […]

21. An enzymatic reaction exhibits Michaelis–Menten 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 […]