Identify the term that refers to a complete absence of viable microbes.
A) sterile
B) septic
C) aerobic
D) anaerobic
Ans: A) sterile
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According to the most widely accepted hypothesis, the origin of the nuclear genome involved
A. an endosymbiotic relationship between an archaeon and a bacterium. B. an endosymbiotic relationship between two archaeons. C. an endosymbiotic relationship between two bacterium. D. a symbiotic relationship between an archaeon and a bacterium. E. a symbiotic relationship between two archaeons.
Which country would be expected to have the greatest species richness per unit area?
a. Japan b. United States c. Brazil d. Canada e. New Zealand
The boundary between the middle ear and the
inner ear is the
a. eardrum. b. oval window. c. cochlea. d. stirrup. e. auditory canal
How are cancer cells different from normal cells?
What will be an ideal response?