👉 Urotrema is a group of organisms that includes all eukaryotic cells, including fungi, protists, and bacteria. These cells are characterized by their unique cell wall composed mainly of cellulose, which forms a rigid outer membrane covering the cell body. The central part of the cell, called the nucleus, contains genetic information stored in DNA. Urotrema also have a specialized organelle known as the endoplasmic reticulum, which is responsible for the assembly and transport