ENDOPLASMIC RETICULUM
- Endoplasmic reticulum is mesh like structure which are composed of numerous tube-like structures.
- They extends from plasma membrane to nuclear membrane.
- They are responsible to transmission of materials between the cell membrane and nuclear membrane.
- They are absent in prokaryotic cells and matuared RBC’S of mammals.
There are two types of endoplasmic reticulum. They are:
(a)Rough Endoplasmic Reticulum(RER)
(b)Smooth Endoplasmic Reticulum(SER)
(a)ROUGH ENDOPLASMIC RETICULUM
- The endoplasmic reticulum which have rough surface (due to the presence of ribosomes on its surface) is called rough endoplasmic reticulum.
- They help in the formation of protein.
(b)SMOOTH ENDOPLASMIC RETICULUM
- The endoplasmic reticulum which have smooth surface are known as smooth endoplasmic reticulum.
- They help in the formation of lipids
- They also responsible for the detoxification of the cell.
QUESTIONS FOR SELF EVALUATION
- ………………… is responsible for detoxification.
- ………………… endoplasmic reticulum help in the formation of proteins.
- ………………….endplasmic reticulum help in the formation of Lipids.
- Endoplasmic reticulum extend from ………………. to ………………….