Cellular membranes are mosaic and
A. fluid.
B. rigid.
C. symmetrical.
D. highly permeable to large molecules.
E. polar.
A. fluid.
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Formation of a new septum with each mitotic division occurs in:
A. ascomycetes and basidiomycetes. B. ascomycetes. C. basidiomycetes. D. glomeromycetes. E. ascomycetes, basidiomycetes, and glomeromycetes.
PBDEs are ____
a. permitted in many European countries but banned in the United States b. permitted in only one European country and in only 11 states in the United States c. banned worldwide but are still being used illegally d. banned in many European countries but permitted in most states in the United States e. banned in many Europeans countries and all states in the United States
Which type of trait is most likely to have arisen through sexual selection? a. Stronger jaws in snapping turtles
b. Faster running ability in rabbits. c. Elongated eyestalks in Malaysian flies. d. Dark fur in pocket mice. e. Laying three eggs instead of one.
The Irish potato famine in the mid 1840s was caused by which heterotrophic protist decomposer that secreted digestive enzymes onto potatoes?
a. A water mold b. A red algae c. A nematode worm d. A protozoan e. A fungus