The activated sludge method can be stopped by the presence of toxic industrial wastes
Indicate whether this statement is TRUE or FALSE.
TRUE
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Thiobacillus species are acidophilic chemolithotrophs capable of autotrophic growth. They perform the dissimilative oxidation of H2S, So, thiosulfate, or Fe+2
Diagram or explain how Thiobacillus species obtain carbon and energy for growth and predict what type of environment they would be found in. What will be an ideal response?
The term "junk DNA" is no longer used because these regions of DNA have been found to be associated with all of the following except
A) miRNAs. B) speciation. C) binding sites for regulatory regions. D) All of the above have been associated with "junk DNA." E) None of the above have been associated with "junk DNA."
Which type of tropism will cause a plant to orient part of its body in order to maximize exposure to blue light? a. Phototropism b. Gravitropism c. None of these choices
d. Thigmotropism e. Solar tracking
Enzymes:
A) sometimes increase the amount of energy necessary to initiate a reaction. B) catalyze reactions that release energy, but not those that consume energy. C) are always consumed by catalyzing a reaction. D) increase the rate at which a reaction occurs. E) reduce the energy released by a reaction by one of four different mechanisms.