20751. 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?
20752. The rate equation in non-competitive inhibition based on Michaelis Menten equation is given by
20753. Which of the following statement(s) regarding enzymes, is/are false?
20754. The slope of Lineweaver Burk plot for Michaelis Menten equation is
20755. The initial velocity, V0, of an enzyme catalyzed reaction reaches Vmax as
20756. The usual method(s) to solve rate equation of simple enzyme kinetics is/are
20757. Michaelis Menten equation can also be written as
20758. Which of the following step is assumed to be the slowest step in the Michaelis Menten equation?
20759. When substrate [S] = KM (Michaelis-Menten constant), the velocity of an enzyme catalyzed reaction is about
20760. A classical noncompetitive inhibitor has
20761. The active site of an enzyme differs from an antibody-antigen binding site in that the enzyme active site
20762. Enzymes are basically
20763. Which of the following refers to pseudo steady state ?
20764. Most enzymes work by
20765. Which category of enzymes belongs to class 5 in the international classification?
20766. Lock and key theory is based on the compatibility of
20767. When an enzyme is functioning at Vmax, the rate of the reaction is limited by
20768. 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)
20769. When [S] = 0.1 KM, the velocity of an enzyme catalyzed reaction is about:
20770. A competitive inhibitor of an enzyme is usually
20771. Linear inhibition is sometimes called as
20772. The types of inhibition pattern based on Michaelis Menten equation are
20773. The effect of non-competitive inhibition on a Lineweaver-Burk Plot is that
20774. The rate-determining step of Michaelis Menten kinetics is
20775. The best candidate should be appointed .............. the post
20776. Mary is –––– front of the class.
20777. If she comes I .......... call you
20778. The more you get, ...... you spend.
20779. One who abstains completely from alcohol is :
20780. The function of a mechanical seal is to
20781. The phenomenon in which substrates are used in a sequential manner is known as
20782. 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)
20783. Diauxie is
20784. 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
20785. In the death phase
20786. The maximum specific growth rate of an organism depends on
20787. Which of the following is not correct for the Monod model and the Michaelis Menten Model?
20788. Bubble column reactor has
20789. Why a T-flask used in small-scale cell culture is incubated in a horizontal position?
20790. 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
20791. Wash out in steady state fermentation occurs when
20792. Fermentor should be filled with medium upto
20793. Bacterial growth curve is obtained by plotting
20794. When intracellular enzymes of whole cells are to be used in a bio-conversion process, it is often necessary to____________the cells.
20795. Heat transfer rates (per unit volume) will be lowest in
20796. The function(s) of the draft tube in an airlift bioreactor is
20797. The Monod Model relates
20798. The height to diameter ratio (H/D) for the column fermenters is
20799. The high oxygen transfer efficiencies of airlift bioreactors is due to
20800. The maximum specific growth rate (μm) of an organism in batch culture is equal to slope of a plot of
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