An inanimate object that may be contaminated with a pathogen is called a ________.
A. fomite
B. vector
C. zoonoses
D. None of the choices are correct.
Answer: A
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Which would be more likely to cause illness-a water sample that tested positive for coliforms or one that tested positive for E. coli O157:H7?
A. Both would be equally capable of causing illness-all coliforms cause illness. B. The coliform positive sample would be more likely to cause illness. Coliforms are inherently more pathogenic than the weak O157:H7 lab strain of E. coli. C. The E. coli O157:H7 sample would be more likely to cause illness. This strain of bacterium is highly pathogenic and capable of causing kidney damage. D. Neither-there is usually a small amount of coliforms (including E. coli O157:H7) in all water.
Define and briefly describe Domains
What will be an ideal response?
In the breakdown of glucose, a phosphorylated
six-carbon compound is split into two three-carbon compounds, which are named a. PGAL. b. pyruvate. c. acetyl-CoA. d. lactate. e. acetaldehyde.
Hans Christian Gram developed the gram stain.
Indicate whether the statement is true or false.