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You Are On Multi Choice Question Bank SET 125

6251. Which graphical method is used to determine an enzyme degree of cooperativity?





6252. The ratio of the amount of a protein present in a sample, which is used as a measure of purification, is known as





6253. If a reaction occurs in the absence of inhibitor with rate ν0 and in the presence of inhibitor with rate νi, the degree of inhibition is defined as





6254. The rate equation in competitive inhibition based on Michaelis Menten equation is given by





6255. Classical noncompetitive inhibition is obtained only under





6256. In the steady state the material balance equation for any component of a system is





6257. For an enzyme that displays Michaelis-Menten kinetics, the reaction velocity (as a fraction of Vmax) observed at [S] = 2 KM will be





6258. Predominantly uncompetitive inhibition may be called when





6259. An enzyme has a Km of 4.7 x 10-5M. If the Vmax of the preparation is 22m moles liter-1 min-1, what velocity would be observed in the presence of 2.0 x 10-4M substrate and 5.0 x 10-5M of a competitive inhibitor?





6260. The rate equation in non-competitive inhibition based on Michaelis Menten equation is given by





6261. Which of the following statement(s) regarding enzymes, is/are false?





6262. The slope of Lineweaver Burk plot for Michaelis Menten equation is





6263. The initial velocity, V0, of an enzyme catalyzed reaction reaches Vmax as





6264. The usual method(s) to solve rate equation of simple enzyme kinetics is/are





6265. Michaelis Menten equation can also be written as





6266. Which of the following step is assumed to be the slowest step in the Michaelis Menten equation?





6267. When substrate [S] = KM (Michaelis-Menten constant), the velocity of an enzyme catalyzed reaction is about





6268. A classical noncompetitive inhibitor has





6269. The active site of an enzyme differs from an antibody-antigen binding site in that the enzyme active site





6270. Enzymes are basically





6271. Which of the following refers to pseudo steady state ?





6272. Most enzymes work by





6273. Which category of enzymes belongs to class 5 in the international classification?





6274. Lock and key theory is based on the compatibility of





6275. When an enzyme is functioning at Vmax, the rate of the reaction is limited by





6276. The equation for the rate of product formation for simple enzyme reaction is given by (Where rmax, maximum reaction rate, Cs substrate concentration, Cp product concentration ES, CES enzyme-substrate concentration)





6277. When [S] = 0.1 KM, the velocity of an enzyme catalyzed reaction is about:





6278. A competitive inhibitor of an enzyme is usually





6279. Linear inhibition is sometimes called as





6280. The types of inhibition pattern based on Michaelis Menten equation are





6281. The effect of non-competitive inhibition on a Lineweaver-Burk Plot is that





6282. The rate-determining step of Michaelis Menten kinetics is





6283. The best candidate should be appointed .............. the post





6284. Mary is –––– front of the class.





6285. If she comes I .......... call you





6286. The more you get, ...... you spend.





6287. One who abstains completely from alcohol is :





6288. The function of a mechanical seal is to





6289. The phenomenon in which substrates are used in a sequential manner is known as





6290. The dilution rate, D is defined as(where F = volumetric flow rate, VR = total volume of culture in the reactor and μ specific growth rate)





6291. Diauxie is





6292. An open system in which the growth rate is maintained by adding a nutrient (present in limiting quantities) at the same rate as that medium containing micro-organisms is removed is called





6293. In the death phase





6294. The maximum specific growth rate of an organism depends on





6295. Which of the following is not correct for the Monod model and the Michaelis Menten Model?





6296. Bubble column reactor has





6297. Why a T-flask used in small-scale cell culture is incubated in a horizontal position?





6298. An open system in which the growth rate is maintained by the removal and addition of media at such a rate as to maintain a constant cell density is called a





6299. Wash out in steady state fermentation occurs when





6300. Fermentor should be filled with medium upto





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