Question

which of these is not related to endoplasmic reticulum
(a) it behaves as transport channel for proteins between nucleus and cytoplasm.
(b) it transports materials between various regions in cytoplasm.
(c) it can be the site of energy generation
(d) it can be the site for some biochemical activities of the cell ​

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

"Option (c) It can be the site of energy generation." is not related to the Endoplasmic reticulum (ER).

Explanation:

• Mitochondria are known as the powerhouse of the cell as they generate energy currency for cells in the form of ATPs.
• Since mitochondria are the site of energy production, it is not associated with the endoplasmic reticulum.
• Hence, this is the most appropriate & correct option.

• The material produced in ER is transported to different cell organelles such as cytoplasm, mitochondria and lysosomes. It facilitates quick intracellular transport, forming the circulatory system of cells. Hence, Option (b) is incorrect.  

• The Endoplasmic reticulum acts as the site of protein, lipid, glycogen and steroid synthesis, which also produce lipids and proteins for membrane biogenesis. Hence option (d) is incorrect.      

• The rough endoplasmic reticulum (RER) is the site for protein synthesis in the cell, where proteins are synthesized on the surface of the rough endoplasmic reticulum destined for secretions.

• ER network also forms a nucleus envelope, as it transports protein from the cytoplasm to the nucleus through the nuclear pore. Hence option (a) is incorrect.

Therefore, the correct option is (c) as ER is not at all associated with energy generation.

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