L-lysine is being produced by Corynebacterium glutamicumin a bioreactorusing glucose as the carbon source, ammonia as the nitrogen source. The bacteria grow aerobicallyin a continuous process at steady- state.All streams of this process are aqueous. In the inlet stream, 8 grams of glucose is included per 100 grams of stream liquid, which flows at a rate of 500 kg/h. The flow rate of glucose in the outlet steam is 1 kg/h. The reaction occurs at 25 °C. (a)What is the mole percentageof glucose that was consumed during cell growth inside the bioreactor? (b)Does the growth of Corynebacterium glutamicum cells inside this bioreactor release or absorb heat?Should heat be supplied to the bioreactor, or removed from, to maintain the operationtemperature?

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Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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L-lysine is being produced by Corynebacterium glutamicumin a
bioreactorusing glucose as the carbon source, ammonia as the nitrogen
source. The bacteria grow aerobicallyin a continuous process at steady-
state.All streams of this process are aqueous. In the inlet stream, 8
grams of glucose is included per 100 grams of stream liquid, which flows
at a rate of 500 kg/h. The flow rate of glucose in the outlet steam is 1
kg/h. The reaction occurs at 25 °C.
(a)What is the mole percentageof glucose that was consumed during cell
growth inside the bioreactor?
(b)Does the growth of Corynebacterium glutamicum cells inside this
bioreactor release or absorb heat?Should heat be supplied to the
bioreactor, or removed from, to maintain the operationtemperature?
Transcribed Image Text:L-lysine is being produced by Corynebacterium glutamicumin a bioreactorusing glucose as the carbon source, ammonia as the nitrogen source. The bacteria grow aerobicallyin a continuous process at steady- state.All streams of this process are aqueous. In the inlet stream, 8 grams of glucose is included per 100 grams of stream liquid, which flows at a rate of 500 kg/h. The flow rate of glucose in the outlet steam is 1 kg/h. The reaction occurs at 25 °C. (a)What is the mole percentageof glucose that was consumed during cell growth inside the bioreactor? (b)Does the growth of Corynebacterium glutamicum cells inside this bioreactor release or absorb heat?Should heat be supplied to the bioreactor, or removed from, to maintain the operationtemperature?
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