Organelle Structure/Function

Introduction

Watch this video: https://www.youtube.com/watch?v=fKEaTt9heNM

Task

Answer these questions:

1.)How many types of ER are there?

2.)Rough Endoplasmic Reticulum extends from where?

3.)Rough ER serves as a storage area for what?

4.)Smooth ER serves a storage area for what?