Tetracycline antibiotics are frequently included in commercial poultry feed. Why is the practice unwise for human health in the long run?
What will be an ideal response?
This use of an antibiotic hastens the day when potentially devastating pathogenic bacteria evolve natural resistance to the antibiotic.
Biology & Microbiology
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Cryptosporidium parvum oocysts are highly resistant to
A) heat. B) filtration. C) desiccation. D) chlorine.
Biology & Microbiology
An aquifer is most closely related to
a. sea water. b. lake water. c. stream water. d. glacial water. e. groundwater
Biology & Microbiology
What is calmodulin?
a. a hormone b. a phosphatase c. a phospholipase d. a protein kinase e. a calcium-binding protein
Biology & Microbiology
What are the two major effects of the discovery of the hunger and satiety peptides?
What will be an ideal response?
Biology & Microbiology