What is endoplasmic reticulum and list the two types of endoplasmic reticulum with definition?
Answers
The endoplasmic reticulum (ER) is a type of organelle found in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae.
The endoplasmic reticulum occurs in most types of eukaryotic cells, but is absent from red blood cells and spermatozoa.
Rough Endoplasmic Reticulum: Their main function is produce proteins in the cells and ribosomes are attached to their surface.
Smooth Endoplasmic Reticulum: Their main function is to produce lipids and also detoxify toxins in the body in the liver and kidney cells.
They have distinct functions but also work together to process and distribute molecules to other organelles within the cell and to export molecules outside the cell.
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