Q:

What organelle is a fluid-filled sac that stores food and water?

A:

Quick Answer

A vacuole is a fluid-filled sac that stores food and water in cells. Vacuoles are most commonly found in plant cells, but they also exist in some bacteria and animal cells.

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Full Answer

Vacuoles are formed when the Golgi complex and endoplasmic reticulum release vesicles. These vesicles bind together into small vacuoles that grow larger as the cell develops. A mature plant cell often has one central vacuole. This vacuole aids in cell growth by exerting pressure on the cell walls due to water absorption and gives the plant cell a rigid structure. Vacuoles process and dispose of waste material due to the high acid content in the fluid.

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