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Some protists possess structures for reg...

Some protists possess structures for regulation of their water content. They are

A

Nuclei

B

Contractile vacuoles

C

Chromatophores

D

Membranes

Text Solution

Verified by Experts

The correct Answer is:
B

Contractile vacuole helps to maintain osmolarity. They expand when water enters and contract when filled with water, carrying water along with waste outside of the cell.
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