Stoichiometric equations are used to represent growth of microorganisms provided a ' molecular formula' for the cells is available. The molecular formula for biomass is obtained by measuring the amounts of C, N, H, O and other elements in cells. For a particular bacterial strain, the molecular formula was determined to be C4.4H7.30 1.2N0.86 . These bacteria are grown under aerobic conditions with hexadecane (C16H34) as substrate. The reaction equation describing growth is:

                             

You have been put in charge of a small fermenter for growing the bacteria and aim to produce 2.5 kg of cells for inoculation of a pilot-scale reactor. What minimum amount of hexadecane substrate must be contained in your culture medium? 

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#Question id: 1686

#Section 2: General Biology

A hapten is best defined as being:

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#Question id: 4836

#Section 3: Genetics, Cellular and Molecular Biology

If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c and d 17 and a and d19%. The sequence of genes in a chromosome is

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#Question id: 2013

#Section 2: General Biology

A patient undergoes a high level of mast cell degranulation, dilation of blood vessels, and acute drop in blood pressure. These symptoms could be caused by which of the following?

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#Question id: 14172

#Section 4: Fundamentals of Biological Engineering

The growth of baker’s yeast (S. cerevisiae) on glucose may be simply described by the following equation:

In a batch reactor of volume 105 l, the final desired yeast concentration is 50 gdw/l. Using the above reaction stoichiometry. Determine the yield coefficients YX/S (biomass/glucose)?

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#Question id: 14683

#Section 1: Engineering Mathematics

Evaluate