Multiple Choice
In plant cells, which organelle is primarily responsible for storing water and dissolved nutrients (food reserves) and helping maintain turgor pressure?
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13. Intracellular Protein Transport
Plant Vacuole
Multiple Choice
Which organelle stores water and helps maintain turgor pressure in plant cells?
A
Central vacuole
B
Rough endoplasmic reticulum
C
Golgi apparatus
D
Mitochondrion
Verified step by step guidance1
Understand the function of each organelle listed in the options: the rough endoplasmic reticulum is involved in protein synthesis, the Golgi apparatus modifies and packages proteins, and the mitochondrion produces energy through cellular respiration.
Recall that plant cells have a unique organelle called the central vacuole, which is a large, fluid-filled sac.
Recognize that the central vacuole stores water and other substances, playing a key role in maintaining the cell's internal pressure.
Understand that this internal pressure, called turgor pressure, helps keep the plant cell rigid and supports the plant structure.
Conclude that the organelle responsible for storing water and maintaining turgor pressure in plant cells is the central vacuole.
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