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Question
What is more abundant in smooth endoplasmic reticulum?
What is more abundant in smooth endoplasmic reticulum?
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Solution
The correct option is C Tubules and vesicles
Cisternae, they are flattened unbranched sac-like structures. They lie parallel to each other and they are inter-connected and covered with ribosomes.Vesicles, they are round, spherical structure. They are rich in pancreatic cells. When cells are disrupted during cell fractionation, the ER breaks up into small vesicles.Tubules, these are irregularly branched tube-like structures which form a network along with other elements. They do not possess ribosomes on their surface. The endoplasmic reticulum in absence of ribosomes appears smooth and is called smooth endoplasmic reticulum. It composed mainly of tubules and vesicles.So, the correct option is 'Tubules and vesicles'.
Cisternae, they are flattened unbranched sac-like structures. They lie parallel to each other and they are inter-connected and covered with ribosomes.
Vesicles, they are round, spherical structure. They are rich in pancreatic cells. When cells are disrupted during cell fractionation, the ER breaks up into small vesicles.
Tubules, these are irregularly branched tube-like structures which form a network along with other elements. They do not possess ribosomes on their surface.
The endoplasmic reticulum in absence of ribosomes appears smooth and is called smooth endoplasmic reticulum. It composed mainly of tubules and vesicles.
So, the correct option is 'Tubules and vesicles'.
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