Short, hair-like structures used only by eukaryotic cells for movement are calledÂ
A. pili.
B. flagella.
C. fimbriae.
D. pseudopodia.
E. cilia.
Answer: E
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Which of the following is/are necessary for the replication of a satellite virus?
A. Host cell only B. Prion only C. Helper virus only D. Host cell and helper virus
Polyunsaturated fats ____
a. have fewer hydrogen atoms than do saturated fats b. are more characteristic of animal fats than plant fats c. have no double bonds d. are solid at room temperature e. are gas at room temperature
In small isolated populations, gene frequencies can fluctuate considerably. The term that applies to this circumstance is ________
A) stabilizing selection B) natural selection C) allelic separation D) genetic drift E) genetic isolation
In a majority of land ecosystems, most energy in producers flows directly to ____.
A. decomposers B. other plants C. detritivores D. herbivores E. carnivores