Which method of reproduction is used by members of phylum Echinodermata?
A. fragmentation
B. budding
C. sexual
D. asexual
E. Both sexual and asexual
Answer: E
Biology & Microbiology
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Which genus within Archaea is capable of growth at the hottest temperature recorded of 122 °C?
A) Methanopyrus B) Thermoproteus C) Thermosphaera D) Pyrococcus
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The basal body of a flagellum is anchored into the ________.
A. outer membrane B. hook C. peptidoglycan layer D. cell wall E. cell membrane
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The diffusion of water across a plasma membrane is referred to as
A. active transport. B. osmosis. C. countercurrent flow. D. facilitated diffusion. E. bulk flow.
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The earliest type of eukaryotic organism
currently known is a type of a. virus. b. bacterium. c. alga. d. anim
Biology & Microbiology