Question

Write a brief note on the endomembrane system.​

Answer 1

Some points on the endomembrane system are :-

The endoplasmic reticulum(ER) is the organelle that consists of irregular network of tubular double Membrane which are continuous and is connected with the plasma Membrane and nuclear Membrane.

The ER is divided into two categories :

-smooth ER

-Rough ER

Smooth ER- it is called smooth endoplasmic reticulum when no ribosomes are attached to the membrane.

Rough ER- it is called rough endoplasmic reticulum when ribosomes are attached to it's Membrane.

Functions :-

=>Smooth ER helps in the synthesis of lipid,glycogen, and steroid hormones.

=>Rough ER is included in the synthesis of proteins.

Answer 2

Answer:

The endomembrane system (endo = “within”) is a group of membranes and organelles (Figure 1) in eukaryotic cells that works together to modify, package, and transport lipids and proteins. The endomembrane system does not include the membranes of either mitochondria or chloroplasts.

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