A ________ bacterial cell is able to take up DNA from the environment.
A. competent
B. fertile
C. transduced
D. virulent
E. transformed
Answer: A
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Comparing DNA and protein sequences to find evidence of a shared evolutionary history is called ________.
A) genomics B) proteomics C) differential relatedness D) bioinformatics
The apparent Vmax of dihydropteroate synthetase will _____________ when sulfanilamide is present while the Km of this enzyme will ______________
A. decrease / increase B. not change / increase C. decrease / decrease D. not change / decrease E. not change / not change
There is great diversity of shape among microbes. Form is one of the ways different taxa can be distinguished. Which of the following shapes are not found among the microbes?
A. rods B. spheres C. octagons D. curved shapes E. spirals
Electrical signals spread to a(n) ____ zone at the start of an axon. If the electrical signals are sufficiently strong, they are conducted along the axon to its terminal endings
a. input b. trigger c. conducting d. output e. initiation