The budding yeast is an unicellular eukaryotic organism. Because of its simple genome, its fast division cycle and the conservation of many genes and signalling pathways across evolution, it constitutes a model of choice in life sciences research. But budding yeasts are also the ones which help us bake bread and ferment alcoholic beverages! Yeast cells are enclosed in by the plasma membrane, a lipid bilayer that plays multiple roles from the selective transport of molecules to a less well-known yet as crucial role in the integration and communication of information between the environment and the cell. The plasma membrane is itself surrounded by a cell wall, which provides the cell with both structural support and protection. Click on an intracellular organelle to learn more about it!
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