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Which of these is not related to endoplasmic reticulum?
- a)It transport materials between various regions in cytoplasm
- b)It behaves as transport channel for proteins between nucleus and cytoplasm.
- c)It can be the site of energy generation.
- d)It can be the site for some biochemical activities of the cell.
Correct answer is option 'C'. Can you explain this answer?
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Which of these is not related to endoplasmic reticulum?a)It transport...
Endoplasmic Reticulum (ER)
The endoplasmic reticulum (ER) is an organelle found in eukaryotic cells. It is a network of interconnected sacs and tubules that extends throughout the cytoplasm. The ER plays a crucial role in many cellular processes, including protein synthesis, lipid metabolism, and calcium storage. However, one of the options listed is not related to the functions of the ER, which is option C: "It can be the site of energy generation." Let's explore why this is the correct answer.
1. Transport of materials
- The ER is responsible for the transport of materials between various regions in the cytoplasm.
- It provides a pathway for the movement of proteins, lipids, and other molecules within the cell.
- This transport function is essential for maintaining cellular homeostasis and ensuring proper functioning of the cell.
2. Transport channel for proteins
- The ER acts as a transport channel for proteins between the nucleus and the cytoplasm.
- It is involved in the synthesis and processing of proteins, including their folding and modification.
- Proteins are synthesized in the cytoplasmic ribosomes and then transported into the ER for further processing and eventual delivery to their target destinations within or outside the cell.
3. Site for biochemical activities
- The ER can also serve as the site for some biochemical activities of the cell.
- It is involved in the synthesis of lipids, including phospholipids and cholesterol.
- The ER also plays a role in detoxification processes, such as the metabolism of drugs and other foreign substances.
4. Not the site of energy generation
- Option C, stating that the ER can be the site of energy generation, is incorrect.
- Energy generation primarily occurs in the mitochondria through cellular respiration, where ATP (adenosine triphosphate) is produced.
- While the ER is involved in various metabolic processes, it is not directly responsible for energy production.
In summary, the endoplasmic reticulum (ER) is involved in the transport of materials, acts as a transport channel for proteins, and serves as a site for some biochemical activities of the cell. However, it is not the site of energy generation, which primarily occurs in the mitochondria. Therefore, option C is the correct answer.
The endoplasmic reticulum (ER) is an organelle found in eukaryotic cells. It is a network of interconnected sacs and tubules that extends throughout the cytoplasm. The ER plays a crucial role in many cellular processes, including protein synthesis, lipid metabolism, and calcium storage. However, one of the options listed is not related to the functions of the ER, which is option C: "It can be the site of energy generation." Let's explore why this is the correct answer.
1. Transport of materials
- The ER is responsible for the transport of materials between various regions in the cytoplasm.
- It provides a pathway for the movement of proteins, lipids, and other molecules within the cell.
- This transport function is essential for maintaining cellular homeostasis and ensuring proper functioning of the cell.
2. Transport channel for proteins
- The ER acts as a transport channel for proteins between the nucleus and the cytoplasm.
- It is involved in the synthesis and processing of proteins, including their folding and modification.
- Proteins are synthesized in the cytoplasmic ribosomes and then transported into the ER for further processing and eventual delivery to their target destinations within or outside the cell.
3. Site for biochemical activities
- The ER can also serve as the site for some biochemical activities of the cell.
- It is involved in the synthesis of lipids, including phospholipids and cholesterol.
- The ER also plays a role in detoxification processes, such as the metabolism of drugs and other foreign substances.
4. Not the site of energy generation
- Option C, stating that the ER can be the site of energy generation, is incorrect.
- Energy generation primarily occurs in the mitochondria through cellular respiration, where ATP (adenosine triphosphate) is produced.
- While the ER is involved in various metabolic processes, it is not directly responsible for energy production.
In summary, the endoplasmic reticulum (ER) is involved in the transport of materials, acts as a transport channel for proteins, and serves as a site for some biochemical activities of the cell. However, it is not the site of energy generation, which primarily occurs in the mitochondria. Therefore, option C is the correct answer.
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Which of these is not related to endoplasmic reticulum?a)It transport...
Endoplasmic reticulum (ER) exists as a membranous network enclosing a fluid-filled lumen which almost fills up the intracellular cavity. The network of the endoplasmic reticulum is present all over the cell. The endoplasmic reticulum is connected to the nuclear envelope. So, it behaves as transport channel for proteins between nucleus and cytoplasm. The ER facilities transport of materials from one part of the cell to another, thus forming the cell's circulatory system. Mitochondria is the site of energy generation. It is not generated in the endoplasmic reticulum.
So, the correct answer is option C.
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Which of these is not related to endoplasmic reticulum?a)It transport materials between various regions in cytoplasmb)It behaves as transport channel for proteins between nucleus and cytoplasm.c)It can be the site of energy generation.d)It can be the site for some biochemical activities of the cell.Correct answer is option 'C'. Can you explain this answer?
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