A(n) ____ property is a characteristic of a system that does not appear in any of its component parts.
A. symbiotic
B. emergent
C. synergistic
D. energetic
E. living
Answer: B
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Which drug is NOT typically found in blood or urine?
A) heroin. B) morphine. C) amobarbital. D) methadone. E) amphetamine.
What character state distinguishes Cnidarians from Bilaterians in the phylogenetic tree in Figure 35.2?
A. presence or absence of ganglia B. presence or absence of sensory neurons C. presence or absence of interneurons D. presence or absence of motor neurons
DNA from different bacteria may be combined using all of the following EXCEPT
A) transformation. B) viruses. C) plasmids. D) cloning.
Please choose the correct statement comparing Bacillus cereus to Clostridium perfringens.
A) Both bacterial infections are mediated by ingested endospores B) Similar foods can be the carrier material for the endospores of both organisms. C) The symptoms of the two diseases are similar. D) All of these choices are correct. E) Both bacteria are gram-positive rods.