Hi!
The two types of endoplasmic reticulum are:
Rough Endoplasmic Reticulum RER
Smooth Endoplasmic Reticulum SER
The major difference between the two is the presence of ribosomes. The membrane of rough endoplasmic reticulum is bound by ribosomes, whereas the smooth endoplasmic reticulum is not bound by ribosomes.
Another difference lies in their function. RER is a storage house for proteins and is where the proteins are manufactured whereas SER is known for storing lipids and proteins both.
<h3>Hope this helps</h3>
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