Question

Describe the structure and function of two types of endoplasmic reticulum.​

Answer 1

Endoplasmic Reticulum Function

The major functions of Endoplasmic reticulum are:

It is mainly responsible for the transportation of proteins and other carbohydrates to another organelle, which includes lysosomes, Golgi apparatus, plasma membrane, etc.
They play a vital role in the formation of the skeletal framework.
They provide the increased surface area for cellular reactions.
They help in the formation of nuclear membrane during cell division.
They play a vital role in the synthesis of proteins, lipids, glycogen and other steroids like cholesterol, progesterone, testosterone, etc.

Structure:
The general structure of theendoplasmic reticulum is a network of membranes called cisternae. These sac-like structures are held together by the cytoskeleton. The phospholipid membrane encloses the cisternal space (or lumen), which is continuous with the perinuclear space but separate from the cytosol.

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