Bioreactors are widely used for industrial fermentation. Which of the following conditions must be closely monitored for optimal fermentation?

A) temperature
B) oxygen levels
C) pH
D) both temperature and pH
E) temperature, pH, and oxygen levels


E

Biology & Microbiology

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Black widowbirds can be described as medium-sized birds with orange and white shoulders

and showy tail feathers. This is __________.

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Which atom is depicted in the accompanying figure?

a. hydrogen b. helium c. carbon d. nitrogen e. oxygen

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Which subphylum includes centipedes and millipedes?

a. Trilobita b. Chelicerata c. Myriapoda d. Hexapoda

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A plant cell with 64 available ATP molecules could split how many N2 molecules with the assistance of nitrogenase?

A. 4 B. 32 C. 2 D. 16 E. 64

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