As much as ________ of the bacteria isolated from human feces belong to the genus Bacteroides.
A. 90%
B. 2.0%
C. 30%
D. 0.1%
Answer: C
Biology & Microbiology
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A bacteriophage is a
A) bacterium that infects a virus. B) virus that infects a bacterium. C) particle made up of viral nucleic acid surrounded by bacterial protein. D) particle made up of bacterial nucleic acid surrounded by bacterial protein.
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A genetic disorder that results in accelerated aging is called ________
a. cri-du-chat syndrome b. progeria c. Turner's syndrome d. achondroplasia
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People have a long history of ________ the ocean's resources especially as technology improves
a. observing b. appreciating c. overexploiting d. conserving
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Which of the following is NOT found in every nucleic acid?
a. ribose b. phosphate group c. purine d. pyrimidine e. uracil
Biology & Microbiology