Which of the following is an effect of an antimicrobial that blocks tubulin polymerization?

A. Preventing binary fission in bacteria.
B. Preventing mitosis in eukaryotes.
C. Preventing bacterial motility.
D. Preventing pilus formation in bacteria.
E. Preventing cytoplasmic membrane synthesis in eukaryotes.


Answer: B

Biology & Microbiology

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Which of the following statements concerning activation energy is FALSE?

a. Exergonic reactions have an energy of activation. b. Endergonic reactions have an energy of activation. c. Enzymes lower a reaction's activation energy. d. Catalysts raise a reaction's activation energy. e. Activation energy is the energy required to break existing bonds.

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Which proteins function in the resolution of Holliday junctions?

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Which biomolecules are responsible for the brilliant coloring of anoxygenic phototrophs (e.g., some roseobacters are pink)?

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