Why these metabolites are manufactured by microbial fermentation rather than chemical synthesis 

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#Question id: 15649

#Section 4: Fundamentals of Biological Engineering

A bacterial culture having a specific oxygen uptake rate of 5 mmol O2 (g DCW)⁻¹ h⁻¹ is being grown aerobically in a fed-batch reactor. The maximum value of the volumetric oxygen transfer coefficient is 0.18 s⁻¹ for the stirred tank bioreactor and the critical dissolved oxygen concentration is 20% of the saturation concentration (8 mg L⁻¹). The maximum density to which the cells can be grown in the fed-batch process, without the growth being limited by oxygen transfer, is approximately

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#Question id: 3934

#Section 3: Genetics, Cellular and Molecular Biology

The purpose of the GTP cap on mRNA is __.

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#Question id: 15701

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In a sequence logo of the type given below, the sizes of the letters are proportional to the:

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#Question id: 16073

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The initiation of FASTA format has ___ symbol.

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#Question id: 2004

#Section 2: General Biology

A bone marrow transplant may not be appropriate from a given donor (Jane) to a given recipient (Janeʹs cousin Bob), even though Jane has previously given blood for one of Bobʹs needed transfusions. Which of the following might account for this?