AP BIOLOGY

THE CELL

STRUCTURE AND FUNCTION OF THE CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This organelle is a large fluid-filled container located in the cytoplasm of a plant cell. It stores water, waste, and helps maintain the right pressure.
A
Lysosome
B
Central Vacuole
C
Flagella
D
Centrioles
Explanation: 

Detailed explanation-1: -A vacuole is a sphere filled with the fluid and the molecules inside a cell. The central vacuole stores the water and maintains the turgor pressure in a plant cell.

Detailed explanation-2: -In plant cells, the vacuoles are much larger than in animal cells. When a plant cell has stopped growing, there is usually one very large vacuole. Sometimes that vacuole can take up more than half of the cell’s volume. The vacuole holds large amounts of water or food.

Detailed explanation-3: -Quick look: A vacuole is a membrane-enclosed fluid filled sac found in the cells of plants including fungi. Vacuoles can be large organelles occupying between 30% and 90% of a cell by volume.

Detailed explanation-4: -The vacuole is the most conspicuous organelle in plant cells. Because of its large volume, it is involved in storing many inorganic and organic molecules, and in so doing, functions in homeostasis.

Detailed explanation-5: -The central vacuole takes up most of the volume of the cell. It is transparent, but you can see where it’s pressing the chloroplasts up against the cell wall, especially at the ends of the cell. Like animal cells, the cytoplasm of this plant cell is bordered by a cell membrane.

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