Resistance of Pseudomonas to a wide range of antibacterial agents is partly due to its
A) production of exoenzyme S.
B) use of the Entner-Doudoroff pathway as its major means of catabolizing glucose.
C) ability to utilize a wide range of organic and nitrogen sources.
D) ability to metabolize many drugs.
E) lack of special requirements for growth.
D
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Four of the five answers listed below are relationships in which at least one of the interacting organisms benefits. Select the exception
a. competition b. parasitism c. mutualism d. commensalism e. predation
A biome characterized by warm, fairly dry climate that primarily contains grasses with scattered, isolated trees is a ________.
A. chaparral B. tundra C. temperate grasslands D. savanna
Which of the following statements about an animal bearing a somatic mutation is TRUE?
A. Some, but not all, of the animal's offspring will also carry the mutation. B. All of the animal's offspring will carry the mutation. C. The animal but not its offspring can be affected by the mutation. D. The gametes produced by the animal will all carry the mutation. E. Both the animal and its offspring will show the mutant trait.
Refer to the figure above. Which of the following forms a monophyletic group?
A) A, B, C, D B) C and D C) D, E, and F D) E, F, and G