The IUCN Red List is based on a set of criteria to evaluate species vulnerability to extinction. Which one or more of the options is/are used as criteria?

.Absolute population size

Geographic range

Economic value

Change in population size over time

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#Question id: 26739

#Unit 12. Biochemical Engineering

A student decided to perform liquid-liquid extraction of solute A and solute B separately. Based on the table below, indicate which of the following options is CORRECT about their partition coefficient (K)?

	Solute A	Solute B
Concentration of solute in extract (g/L)	50	1
Concentration of solute in raffinate (g/L)	1	50

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#Question id: 26741

#Unit 12. Biochemical Engineering

Monod's model for the bacterial cell growth describes a relationship between

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#Question id: 26778

#Unit 12. Biochemical Engineering

For a chemostat culture operating under steady state. which of the following statements is NOT true?

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#Question id: 23270

#Unit 12. Biochemical Engineering

If in a bioreactor, the gas hold up (r) is 0.1 and the average diameter of the air bubbles is 1 mm; then the interfacial area (of the air bubble —liquid interface), per unit reactor volume is: 

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#Question id: 23274

#Unit 12. Biochemical Engineering

Yeast cells are immobilized in a column and glucose is fed through the inlet at a concentration of 90 g/l. If all the glucose is consumed and we can treat this as an anaerobic fermentation with negligible cell growth, then the ethanol concentration at the outlet will be: 

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#Question id: 23280

#Unit 12. Biochemical Engineering

A concentrated feed of substrate is added at a constant rate in a fed-batch reactor. If all the substrate is utilized, the specific growth rate (μ) pattern will be: