Question

what is endoplasm reticulum

Answer 1

The endoplasmic reticulum (ER) is that stringy mess you see happening around a nucleus when you're looking at a plant or animal cell. There are two kinds of ER: rough and smooth. The rough ER is covered in ribosomes which give it a bumpy look to it. Anyway, the rough ER is responsible for the assembly of proteins and where they are destined to export. The smooth ER makes lipids (fats), is involved in the building blocks needed for carbohydrate metabolism, and deals with the detoxification of drugs and poisons. This is a small summary of what the ER is and does so, it might be better to google more info about the ER. Here are some sites to start you off (textboks are awesome as well!):

http://micro.magnet.fsu.edu/cells/endoplasmicreticulum/endoplasmicreticulum.html
http://library.thinkquest.org/C004535/endoplasmic_reticulum.html
http://www.cytochemistry.net/cell-biology/rer1.htm
http://www.biology4kids.com/files/cell_er.html
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/E/ER.html

Answer 2

The ER carries materials throughout the cell. The Rough ER is involved in production, processing, transport, and storage of materials inside a cell. The Smooth ER detoxifies toxins

Answer 3

The endoplasmic reticulum (ER) is a eukaryotic organelle that forms an interconnected network of tubules, vesicles, and cisternae within cells.

Answer 4

Endoplasmic reticulum is a membrane bound cell organelle found in eukaryotic cells. Their main function is synthesis, and storage of proteins, lipids etc(along with Golgi Bodies).They are of two types Smooth ER and Rough ER......Rough ER is mainly concerned with protein synthesis. they are made rough by the presence of ribosomes on their surface. Smooth endoplasmic reticulum synthesis mainly Lipids and steroids. They don't have ribosomes on their surface. Both types of ER are connected to Nuclear envelop.