Synonym: nuclear envelope, i.e. the double-layered membrane surrounding the nucleus of a eukaryotic cell, separating the nucleoplasm from the cytoplasm
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..