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Which of the following statements is always correct about an ideal chemostat?
P. Substrate concentration inside the chemostat is equal to that in the exit stream.
Q. Optimal dilution rate is lower than critical dilution rate.
R. Biomass concentration increases with increase in dilution rate.
S. Cell recirculation facilitates operation beyond critical dilution rate.
Column A lists the cell parts and Column B lists the functions of the cell part. Column A Column B i. Cell wall A. Control what happens ii. Cell membrane B. Supports the cell. iii. Cytoplasm C. Controls what passes in and out of the cell. iv. Nucleus D. Cell reactions happen in it. Which one of the following options is correct?
In balanced growth phase of a cell,
P. All components of a cell grow at the same rate.
Q. Specific growth determined by cell number or cell mass would be the same.
R. The growth rate is independent of substrate concentration.
S. The growth rate decreases with decreasing substrate concentration.
Which one of the following sets is incorrect to show the inter-relationships among price elasticity coefficient, change in price and change in total revenue ? Price elasticity coefficient Change in price Change in Total Revenue 1) Zero Increase Decrease Increase Decrease (2) Less than 1 Increase Decrease Decrease Increase (3) Equal to 1 Increase Decrease No change No change (4) More than 1 Increase Decrease Decrease Increase  
In chemostat, constant cell concentration is maintained?
A bar tender replaces some quantity of alcohol having 40% concentration with water and thus the concentration of alcohol changes to 30%. If the alcohol which he replaced is mixed with another sample of 260 ml alcohol having 20% concentration, then a mixture having 27% concentration of alcohol is prepared. Find the initial quantity of alcohol having 40% concentration.
The concentration of oxygen at the inner surface of the vessel is maintained at a level C depending on the pressure in the vessel, while the concentration at the outer surface is reduced to zero by the escape of oxygen to the surroundings. A steady state will eventually be reached when the concentration everywhere reaches a constant value. Provided D is independent of concentration there will be a single concentration gradient in the wall and the thickness of the wall is L, the flux is given by________________
In each question below is given one/more statements that followed by two assumptions numbered I and II. Consider the statement and decide which of the given assumptions is implicit. Statement: Soon after the voting for the third and last phase of Bihar assembly elections concludes on November 7th evening, the television channels will begin airing exit polls. Assumptions: I.Exit polls help to predict the results. II.Exit polls are always the same as results.    
Phytase, an enzyme produced by Aspergillus niger can be adsorbed on microcrystalline cellulose powder (MCCP). The adsorption follows a Langmuir isotherm and the maximum concentration of the protein that can be obtained on the adsorbent is 70 mg cm-1. At a concentration of 50 mg L-1 of protein in the solution, the concentration of protein on the adsorbent reaches 35 mg cm-1. It is desired to recover 90% of the protein from 1.5 liter of the cell free culture filtrate containing 220 mg L-1 protein by addition of MCCP to the solution. The concentration of the protein adsorbed on the solid at equilibrium will be:
If stop is called start, start is called begin, begin is called enter, enter is called exit, exit is called outlet and outlet is called door, then what is the code for ‘opposite of exit’?