Answers

2016-01-09T15:34:52+05:30
Cyst is a hard outside covering by which a bacteria saves itself from extremely worst situation. The cyst helps the bacteria in worst condition.
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2016-01-09T19:13:27+05:30
A thin-walled hollow organ or cavity in an animal or plant, containing a liquid secretion; a sac, vesicle, or bladder.
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