Q: What are the two types of endoplasmic reticulum?


Read this paragraph and choose the correct option from the provided answers:

There are two types of endoplasmic reticulum. They are called rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER). Both types are shown in Figure below .

 Choices:

- thick & smooth

- rough & thin

- rough & thick

- rough & smooth


A:
rough & smooth