Which of the following antimicrobial agents is the most toxic to humans?
A) 70% alcohol
B) ethylene oxide
C) quaternary ammonium compounds
D) chloramines
E) iodophors
B
Bloom's Taxonomy: Comprehension
Section: Chemical Methods of Microbial Control
Learning Outcome: 9.27
Biology & Microbiology
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Steroid hormones are synthesized from:
a. amino acids b. peptides c. proteins d. cholesterol e. fatty acids
Biology & Microbiology
Which Kingdom contains the protozoa, water and slime molds, and algae?
a. Prokaryotae b. Fungi c. Protista d. Animalia e. Plantae
Biology & Microbiology
Appropriately named, ________ pain oftentimes is not detected until seconds or even minutes after an injury; this is due to the activation of chemically sensitive pain receptors
Fill in the blank(s) with correct word
Biology & Microbiology
The K-T boundary layer of rock was formed during a mass extinction
Biology & Microbiology