It is actually the membrane that surrounds the large vacuole in a mature plant cell. We get the name 'tonoplast' from Greek, which translated looks something like 'tone, tension, stretching, and molded.' It is also known as the 'vacuolar membrane'. read more
The Vacoule is a membrane bound space found in cytoplasm.The vacuole is bound by a single membrane called tonoplast. In plants,the tonoplast faciliates the transport of a no. Of ions and other materials against concentration gradient into the vacuole. read more
All cells in the plant will have a nucleus, cell wall, cell membrane, chloroplasts, cytoplasm, and a vacuole. read more