Which of the following statements is not true of enteroinvasive E. coli (EIEC)?
A. It invades the gut mucosa.
B. Blood and pus are found in the stool.
C. Prompt treatment with a broad-spectrum antibiotic is essential to recover from an infection.
D. It makes no heat-labile or heat-stable exotoxins.
E. High fever is present.
Answer: C
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In which of the following do the light-dependent reactions of photosynthesis take place?
a. thylakoid membranes b. stroma c. the outermost membrane d. between the outermost and innermost membranes e. a combination of more than one of these
Science as a way of seeking principles of order differs from art, religion, and philosophy in that:
A) science limits its search to the natural world of the physical universe. B) science deals exclusively with known facts. C) all scientific knowledge is gained by experimentation. D) all scientists wear white lab coats. E) there is no room for intuition or guessing
Even though in a similar habitat, a founder population that breaks away from the parent population may become very different because of:
A) mutation. B) genetic drift. C) the bottleneck effect. D) natural selection.
The microbes known as archaea are (fungi/prokaryotes/protozoa).
Fill in the blank(s) with the appropriate word(s).