All of the following are products produced naturally by microbes except which one?
A. Ethanol
B. Silk
C. Acetone
D. Antibiotics
Ans: B. Silk
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You are presented with an animal that resembles a jellyfish. As you examine it further, which characteristic would allow you to conclude that it belongs to the Phylum Ctenophora rather than the Phylum Cnidaria?
A. complete digestive tract. B. tentacles. C. gonads. D. stinging cells.
Select the best response to the question. ?What happens when a specimen is contaminated?
A) Important diagnostic information is obtained. B) No clinically useful information is obtained. C) Additional antibiotics are required to treat the infection. D) It helps rid the body of additional pathogens.
Viruses that become established as stable parts of the host cell genome are called
A. temperate. B. lethal. C. potent. D. virulent.
Stress and the risk of accidents are unrelated.
a. true b. false