Neuron Structure
Mediumbiology
Nissl's granules are present in:
Select the correct option:
Solution
Incorrect! Answer:
Cyton and dendrites
- Description: Nissl's granules are dark-staining granular structures seen in neurons under a microscope.
- Composition: They are composed of Rough Endoplasmic Reticulum and free ribosomes, involved in protein synthesis.
- Location: They are densely packed in the cell body (cyton) and extend into the dendrites.
- Absence: Importantly, they are absent in the axon and the axon hillock.
- Conclusion: They are present in the cyton and dendrites.
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About This Question
- Subject
- biology
- Chapter
- neural control and coordination
- Topic
- neuron structure
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Cyton and dendrites
- Description: Nissl's granules are dark-staining granular structures seen in neurons under a microscope.
- Composition: They are composed of Rough Endoplasmic Reticulum and free ribosomes, involved in protein synthesis.
- Location: They are densely packed in the cell body (cyton) and extend into the dendrites.
- Absence: Importantly, they are absent in the axon and the axon hillock.
- Conclusion: They are present in the cyton and dendrites.
This medium difficulty biology question is from the chapter neural control and coordination, covering the topic of neuron structure. It appeared in the 2025 exam.
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