Question

How many types of ER are there? Name them.

Answer 1

There are two types of endoplasmic reticulum: rough and smooth. The outer (cytosolic) face of the rough endoplasmic reticulum is studded with ribosomes that are the sites of protein synthesis. The rough endoplasmic reticulum is especially prominent in cells such as hepatocytes. The smooth endoplasmic reticulum lacks ribosomes and functions in lipid manufacture and metabolism.

Answer 2

Answer:

→ There are two types of ER (endoplasmic reticulum) :

1. Rough endoplasmic reticulum  (RER)

2. Smooth endoplasmic reticulum (SER