Quaternary ammonium compounds are disinfectants effective against
A. endospores.
B. mycobacteria.
C. non-enveloped viruses.
D. Pseudomonas aeruginosa.
E. enveloped viruses.
Answer: E
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The preinitiation complex forms in bacteria when the start codon is recognized through binding of 16srRNA and what region of mRNA?
What will be an ideal response?
Which one of the following types of tissues surrounds hollow organs that change shape or size regularly?
A) loose connective tissue B) dense connective tissue C) elastic connective tissue D) reticular connective tissue
Animal cells perform functions using energy that is derived from glucose(C6H12O6) Which molecule is required for animal cells to obtain the most energy possible from a molecule of glucose?
A water B oxygen C lactic acid D carbon dioxide