Which of the following statements about the nitrogen cycle is false?
a) Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+).
b) Denitrification by bacteria converts nitrates (NO3-) to nitrogen gas (N2).
c) Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-).
d) Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.
Answer: c) Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-).
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Answer the following statement true (T) or false (F)
Which of the following ions is associated with auxin and used during signal transduction that causes a plant to bend towards a light source?
A. H+ B. Ca2+ C. Mg2+ D. Na+
During rapid expulsion of air, which additional muscles are involved?
a. neck muscles b. back muscles c. abdominal muscles d. pelvic muscles e. eye muscles
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A) Determines if normal flora will be affected by antimicrobics. B) Determines the patient's response to various antimicrobics. C) Determines if the drug is increasing to toxic levels in a patient. D) Determines the pathogen's identity. E) Determines the pathogen's response to various antimicrobics.