ER/SER/RER

Question 1

What is the Endoplasmic Reticulum (ER)?

Answer 1

The Endoplasmic Reticulum (ER) is the largest membranous system in the cell, consisting of a network of interconnected tubules and vesicles, with the lumen referred to as cisterns.

Question 2

What are the two types of Endoplasmic Reticulum?

Answer 2

The two types of Endoplasmic Reticulum are smooth ER and rough ER.

Question 3

What are the main functions of the Endoplasmic Reticulum?

Answer 3

The main functions of the Endoplasmic Reticulum include the manufacture of all cell membranes, protein synthesis and modification, lipid and steroid synthesis, and detoxification of certain toxic compounds.

Question 4

In what types of cells is the Smooth Endoplasmic Reticulum (SER) abundant?

Answer 4

is abundant in cells that are active in the synthesis of steroids, cholesterol, and triglycerides, as well as in cells functioning in detoxification.