Biotechnological Innovations in Chemical Synthesis by BIOTOL, B C Currell, R C E Dam-Mieras
By BIOTOL, B C Currell, R C E Dam-Mieras
Demonstrates how organic catalysis should be utilized to the creation of worth extra chemical substances. Use is made from a various diversity of case stories to offer a breadth of expertise. It additionally unearths how bio-systems are being hired to supply quite a lot of beneficial commodities together with antibiotics and different therapeutics, middleman metabolites similar to citrate, malate, gels and different priceless polymers.
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Extra resources for Biotechnological Innovations in Chemical Synthesis (Biotechnology by Open Learning)
It has not always been possible to produce SCP at competitive prices. =w Are they safe to eat? Micmrganisms which are pathogenic or toxic obviously can not uric acid be used as SCP sources. In addition most microbial cells have a higher content of nucleic acid, particularly RNA, than conventional foods. When such cells are digested by animals these nucleic acids are metabolised to uric acid. Unlike most other mammals, humans do not possess uricase, which oxidises uric acid to soluble allantoid for Single cell protein 6 !
False. Methane is non-toxic to micro-organisms. 6. Methane fermentation also incurs high aeration and cooling costs. The biochemistry of methanotrophic bacteria was studied to show how energy, reducing equivalents and C3 skeletons were produced from the CIsubstrate. Methane is oxidised to methanol then formaldehyde. Formaldehyde can be assimilated, by various mechanisms, with Cs sugars, to form 6 sugars. 6). The lower than expected yields can be explained by the nature of methane oxidation to methanol in these bacteria.
Now repeat the calculation to find out how much protein you would have after 721. 8 x 1014 cells. 8 x 104gdry weight cells. 4 x l d g protein. 4 x 1$/70 = 200 days worth of protein for one person. 7 x Id' cells. 7x 1O"g dry weight cells. 35 x 1o"g protein. 35 x 10"/70 = ca. 3 x lo9 meals, or enough protein to feed the entire population of China for 3 days! You have now demonstrated the capability of exponentially increasing microbial populations to rapidly produce protein. However, although such outputs of protein are possible in theory, they cannot be achieved in practice, since exponentialgrowth cannot be maintained for such periods because bioreactors are limited in size.