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 __________.
a. their phenotype b. a description of their adaptations c. their genome d. an example of their alleles
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Which atom is depicted in the accompanying figure?
a. hydrogen b. helium c. carbon d. nitrogen e. oxygen
Biology & Microbiology
Which subphylum includes centipedes and millipedes?
a. Trilobita b. Chelicerata c. Myriapoda d. Hexapoda
Biology & Microbiology
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
Biology & Microbiology