Differentiate between rough and smooth endoplasmic recticulum.how is endoplasmic recticulum important for membrane biegensis?
Answers
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RER-- rough endoplasmic reticulum
SER -- smooth endoplasmic reticulum
RER___
ribosomes are present
pores are present
attached to nuclear membrane
help in protein synthesis
SER__
ribosomes absent
pores are present
attached to cell membrane
help in glycogen synthesis
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Answer:
Explanation:
difference:The rough endoplasmic reticulum (RER) has ribosomes on its surface. This is what give the RER a "rough" appearance. Rough ER looks like sheets.The RER synthesizes (makes) and packages proteins. The RER is attached to the nuclear membrane. The Golgi apparatus tends to be on the other side of the RER.
The smooth endoplasmic reticulum (SER) does not contain ribosomes. The Smooth ER looks more like tubes. The SER helps in the storage of proteins and lipids. Cells that produce oils have a higher ratio of SERs than do other cells. The smooth endoplasmic reticulum can be found dispersed throughout the cytoplasm of the cell.
Membrane biogenesis: is the process of formation of plasma membrane with the help of proteins and lipids. Now, ER or endoplasmic reticulum helps in membrane biogenesis by helping in the formation of lipids,proteins and steroids which are important for it.