EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In plant cells, a large, membrane bound sac that stores water, nutrients or other substances
A
endoplasmic reticulum
B
vacuole
C
chloroplasts
D
golgi apparatus
Explanation: 

Detailed explanation-1: -A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell.

Detailed explanation-2: -First, plant cells have a large central vacuole that holds a mixture of water, nutrients, and wastes. A plant cell’s vacuole can make up 90% of the cell’s volume.

Detailed explanation-3: -Basic storage function of vacuoles As the largest organelle in mature plant cells, the vacuole exhibits complex and diverse functions. First, as a closed compartment, vacuoles can store free amino acids, sugars, and ions. They can also transport key molecules through specific channel proteins on the tonoplast.

Detailed explanation-4: -How Do Cells Store Nutrients? A vacuole is a membrane-bound sac that contains water and other substances. You can think of it as the refrigerator of the cell because it stores salts, carbohydrates, sugars, and water. Look at the image above and find the vacuoles in the plant and animal cells (I highlighted them).

Detailed explanation-5: -Central vacuoles are large, membrane-bound organelles found in plant cells that act as a storage space for water and other molecules in the cell. A fluid-filled central vacuole exerts pressure on the surrounding components of the cell and the cell wall.

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