EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This portion of an organelle has no ribosomes. It forms transport vesicles that are used to move things around inside the cell.
A
Smooth Endoplasmic Reticulum
B
Rough Endoplasmic Reticulum
C
Golgi Apparatus
D
Centriole
Explanation: 

Detailed explanation-1: -Smooth ER. The smooth endoplasmic reticulum (smooth ER) is continuous with the rough ER but has few or no ribosomes on its cytoplasmic surface. Functions of the smooth ER include: Synthesis of carbohydrates, lipids, and steroid hormones.

Detailed explanation-2: -Smooth Endoplasmic Reticulum (smooth ER) has no ribosomes on it and makes containers called vesicles that are used to move things around inside the cell.

Detailed explanation-3: -The Golgi apparatus receives proteins and lipids (fats) from the rough endoplasmic reticulum. It modifies some of them and sorts, concentrates and packs them into sealed droplets called vesicles.

Detailed explanation-4: -Regions of ER that lack bound ribosomes are called smooth endoplasmic reticulum, or smooth ER.

Detailed explanation-5: -The smooth endoplasmic reticulum (SER) is distinguished from the rough endoplasmic reticulum (RER), the other basic type of endoplasmic reticulum, by its lack of ribosomes, which are protein-synthesizing particles that can be found attached to the outer surface of the RER to give the membrane its “rough” appearance.

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