The tonoplast like the plasma membrane is differentially permeable and can maintain the concentration of materials different from that found in the cytoplasmic matrix.
Similar Questions
Explore conceptually related problems
Tonoplast is a
Tonoplast is a
In plants the tonoplast facilitates the transport of a number of ions and other materials
Assertion :- In plant cell, the cell membrane and the membrane of vacuole, the tonoplast together are important determinants of movement of molecules in or out of the cell. Reason:- Both cell membrane and tonoplast are selective permeable membranes.
Statement 1: In plants, the tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole. Statement 2: In amoeba, the contractile vacuole is important for osmoregulation and excretion.
Read the given statements regarding a cell organelle. (i) It contains water, sap, excretory products and other unwanted materials. (ii) It is bounded by a single membrane called tonoplast. (iii) In plant cells, it can occupy upto 90 % of cellular volume. (iv) Its contents form cell sap. (v) It maintains turgor pressure. The above features are attributed to
