Mark Barnes Leaving Crest for South Carolina Post. SHELBYâMark Barnes, one of North Carolinaâs top football coaches, has resigned as head football coach at Crest High School to take a job in South Carolina, according to a report in The Shelby Star.
Definition of the Smooth ER. The smooth endoplasmic reticulum, or smooth ER, is an organelle found in both animal cells and plant cells. An organelle is a sub-unit within a cell that has a specialized function.The main function of the smooth ER is to make cellular products like hormones and lipids.he interior of the smooth ER is called the lumen, which is enclosed by a phospholipid membrane, just like the membrane that encloses the entire cell. The number of smooth ER units in a cell depends on the type of cell and what its manufacturing needs are.
It is âsmoothâ because it is not studded with ribosomes and is associated with smooth slippery fats. CELLS NEED THE ROUGH AND THE SMOOTH. Think of a cell as a âmultitude of membranesâ we said in an earlier section. This statement certainly applies to the endoplasmic reticulum an organelle found in eukaryotic cells.About 50% of the total membrane surface in an animal cell is provided by endoplasmic reticulum (ER).ough ER (RER) is involved in some protein production, protein folding, quality control and despatch. It is called âroughâ because it is studded with ribosomes. Smooth E R (SER) is associated with the production and metabolism of fats and steroid hormones.