Endomembrane System - Vacoules Flashcards
1
Q
What is vacuole?
A
Vacuole is the membrane bound space found in cytoplasm.
bounded by a single membrane called tonoplast
- Vacuoles can occupy 90 percent of the volume of cell
2
Q
What are the contents of Vacuole
A
water, sap, excretory product and other materials not useful for the cell
3
Q
How does tonoplast help in plants
A
the tonoplast facilitates the transport of a number of ions and other materials against concentration gradient into vacuole than in cytoplasm.
4
Q
Vacuoles in Amoeba
A
the contractile vacuole is important for osmoregulation and excretion
5
Q
What about vacuoles in protists
A
vacuoles are formed by engulfing the food particles.
