Protozon
Protozoa have several types of vacuoles.The function of a contractile vacuole is to

contain specific enzymes that perform various functions
creates sites of food digestion
have sites for photosynthesis
maintain osmotic balance by continuous water expulsion

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Protozon
Which of the following describes the function of a secretory vacuole?

Maintain osmotic balance by continuous water expulsion
Structures that accept male gametes during sexual reproduction
Sites of food digestion
Contain specific enzymes that perform various functions

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Protozon
Saprozoic nutrition is characterized by

encystment of solid nutrients and subsequent formation of secretory vacuoles
phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles

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