Cell Cycle and Cell DivisionMedium
Question
Vacuole in a plant cell
Options
A.is mambrane-bound and contains storae proteins and lipids
B.is mambrane-bound and contains water and excretory substances
C.lacks mambrane and contains air
D.lacks mambrane and contains water and excretory substances
Solution
The cytoplasm of many plant and some animal cells contains numeros small or large sized hollow, liquid filled structures the vacuoles. The vacuoles of plant cells are bounded by a single semipermeable membrane know as tonoplast. These vacuoles contain water, phenol, flavonols, anthocyanins, alkaloids and storage products sugars and proteins. The vacuoles of animal cells are bounded by a lipoproteinaceous membrane and their function is storage, transmission of materials and maintenance of internal pressure of cell.
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