GENERAL HISTOLOGY

INTRODUCTION

CELL ORGANELLES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which organelle serves as an internal transport system, and can be either “rough” or “smooth”?

A	Nucleus
B	Mitochondria
C	Cell Wall
D	Endoplasmic Reticulum

Explanation:

Detailed explanation-1: -The endoplasmic reticulum (ER) is, in essence, the transportation system of the eukaryotic cell, and has many other important functions such as protein folding. It is a type of organelle made up of two subunits – rough endoplasmic reticulum (RER), and smooth endoplasmic reticulum (SER).

Detailed explanation-2: -The endoplasmic reticulum (ER) is a structure found within the cytoplasm of eukaryotic cells. Its composition has two components: the smooth endoplasmic reticulum (SER) and the rough endoplasmic reticulum (RER).

Detailed explanation-3: -The outer surface of the endoplasmic reticulum can be smooth or rough. The rough endoplasmic reticulum has many ribosomes on its outer surface and makes proteins the cell needs. The smooth endoplasmic reticulum makes other substances that the cell needs, such as lipids (fats) and carbohydrates (sugars).

There is 1 question to complete.