Multiple Choice
One unique characteristic associated with some of the extreme halophilic Archaea is that:
A) they are found at deep-sea vents on the sea floor.
B) they are a source of most known antibiotics.
C) they have photosynthetic ability involving a purple bacteriorhodopsin pigment.
D) they fix atmospheric nitrogen that is then used by plants.
E) most form symbiotic associations.
Correct Answer:

Verified
Correct Answer:
Verified
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