Disinfection of water is achieved by all of the following EXCEPT
A) ozone.
B) UV radiation.
C) chlorine.
D) copper sulfate.
E) peracetic acid.
E
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Cystic fibrosis is most often caused by the CFTR?F508 mutation. This mutation:
A. reduces the function of a chloride ion channel. B. increases ATP binding to chloride. C. is autosomal dominant. D. causes symptoms in carriers.
Radiolarians have frothy vacuoles and lipid droplets, which provide them with buoyancy in marine environments
Indicate whether the statement is true or false.
Are viruses alive or not? Explain your reasoning
What will be an ideal response?
What would you anticipate seeing if you accidentally switched crystal violet and safranin while performing a Gram stain?
a. All bacteria would appear purple. b. Gram-positive bacteria would appear pink and Gram-negative bacteria would appear purple. c. Gram-positive bacteria would appear purple and Gram-negative bacteria would appear pink. d. All bacteria would appear pink.