Nissl's granules are groups of:
Correct answer: C. Ribosomes
- A. Mesosomes
- B. Lysosomes
- C. Ribosomes
- D. Chromosome
Explanation
Nissl granules are primarily made up of rough endoplasmic reticulum (rER) and ribosomes. The rough endoplasmic reticulum is involved in the synthesis of proteins, while the ribosomes are the sites of protein translation. Together, these components contribute to the production of neurotransmitters and other proteins necessary for neuronal function and maintenance. The abundance of rER and ribosomes gives Nissl granules their characteristic granular appearance when stained.
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Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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