Q:
What Is the Function of Tonoplast?
A:
Quick Answer
The tonoplast is a membrane that surrounds the vacuole, or organelle that is present in the cells of plants and fungi. The tonoplast is also known as the vacuolar membrane.
Continue ReadingFull Answer
The tonoplast is a stretchy membrane, and its main function is to protect the vacuole and isolate it from harmful substances. The tonoplast membrane controls ionic movement in and around the cell. Water flowing in and out of the vacuole is regulated by the tonoplast. Some animal and bacterial cells also contain vacuoles that are bound by vacuolar membranes. The size and structure of the vacuole varies depending on the cell.
Learn more about CellsRelated Questions
-
Q:
What Does a Vacuole Contain?
A: A vacuole contains a fluid-filled sac that stores salts, water, minerals, nutrients, pigments and proteins within a membrane barrier called a tonoplast. Va... Full Answer >Filed Under: -
Q:
What Is the Definition of a "protist"?
A: According to About.com, organisms are classified into kingdom Protista by exclusion, when they are eukaryotic, meaning they are made up of cells where the ... Full Answer >Filed Under: -
Q:
What Is a Contractile Vacuole?
A: A contractile vacuole is an organelle in single-celled organisms that helps the cell remove wastes and excess water. It is found primarily in freshwater pr... Full Answer >Filed Under: -
Q:
What Is the Structure of a Spirogyra Cell?
A: Spirogyra cells contain chloroplasts, a large vacuole, a cell nucleus, cytoplasmic strands holding the nucleus in place and two cell walls. They are simple... Full Answer >Filed Under:
