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