Reading time: 4 minutes Deepika Jayaprakash What is common to eukaryotic organisms like animals, plants, fungi, and unicellular organisms? Ubiquitous Ubiquitin!   Ubiquitin (ub) is a small protein found in all eukaryotes that when attached to its target protein can bring about a myriad of cellular processes. The first observed effect of ubiquitination was degradation of... Continue Reading →