Biology Nervous Coordination UHS 2024
PMDC Verified Question 26 of 86
Nissl's granules are groups of:
A
Mesosomes
B
Lysosomes
C
Ribosomes
D
Chromosome
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Ribosomes
Concept:

Neurons require immense amounts of protein to continuously build neurotransmitters and maintain long axonal membranes.

Solution:

  • Nissl's granules (or Nissl bodies) are massive, granular bodies found extensively in the neuronal cell body (soma). Under a microscope, they are revealed to be large clusters of rough endoplasmic reticulum with free rosettes of ribosomes, dedicated to high-volume protein synthesis.


Why other options are incorrect:

  • Mesosomes: Invaginations in bacterial cell membranes.


  • Lysosomes: Digestion organelles, not granular protein factories.


  • Chromosome: Found exclusively packed in the nucleus.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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