Which of the following are important in the digestions of carbohydrates?
A) Trypsin
B) pancreatic amylase
C) pancreatic lipase
D) bile
Answer: B) pancreatic amylase
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You have isolated a newly discovered virus and are attempting to characterize it. You begin with its genome. You first isolate the virion-producing mRNA from cultured cells infected with the virus
When you compare these mRNA to the viral genome, you find that they are complementary. What does this tell you? A) This virus has a positive-sense genome. B) This virus has a negative-sense genome. C) This virus has an ambisense genome. D) The virus does not use DNA or RNA.
Microbial ecology is the study of
A) microbial processes in the rhizosphere that benefit plant growth. B) the diversity and activities of microorganisms. C) the grouping and classifying of microorganisms. D) microorganisms in their natural environments.
_____ is the process in which two groups of organisms speciate in response to each other and at the same time
A. allopatric speciation B. peripatric speciation C. adaptive radiation D. co-speciation E. sympatric speciation
Frederick Griffith was a microbiologist who observed that
A) DNA contains nitrogen and phosphorus. B) proteases disrupt transformation from nonvirulence to virulence. C) DNA from heat-killed viruses transforms virulent viruses. D) nonvirulent bacteria become virulent when mixed with heat-killed virulent bacteria.