What are the functions of organelles in a cell?or what they are?
In cell biology, an organelle is a specialized subunit within a cell that has a specific function, and is separately enclosed within its own lipid membrane. http://en.wikipedia.org/wiki/Organelle In cell biology, a mitochondrion (plural mitochondria) is a membrane-enclosed organelle that is found in most eukaryotic cells. http://en.wikipedia.org/wiki/Mitochondri… The endoplasmic reticulum or ER is an organelle found in all eukaryotic cells that is an interconnected network of tubules, vesicles and cisternae. http://en.wikipedia.org/wiki/Endoplasmic… In cell biology, the nucleolus (plural nucleoli) is a sub-organelle of the cell nucleus, which itself is an organelle. http://en.wikipedia.org/wiki/Nucleolus
