★ Chemistry Quiz
What is a buckyball?
A. A carbon atom (C60)
B. Nickname for Mercedes-Benz’s futuristic concept car (C111)
C. Plastic explosives nanoparticle (C4)
D. Concrete nanoparticle with a compressive strength of 20 nanonewtons (C20)
Select your answer:
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Bacteriology › ViewBelow are the general characteristics nitrogen-fixing bacteria except
A. Free living or symbiotic
B. Non-spore forming
C. Non-motile
D. Use nitrogen gas as their energy source
Microbiology › View
An endotoxin is ______.
A. secreted by pathogenic organisms
B. indicative of fungal infections
C. indicative of gram-negative bacterial infection
D. indicative of viral infections