Answered: L-lysine is being produced by…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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L-lysine is being produced by Corynebacterium glutamicum in a bioreactor using glucose as the carbon source, ammonia as the nitrogen source. The bacteria grow aerobically in 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 percentage of 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 operation temperature?

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