Nissl bodies are mainly composed of:

1. Proteins and lipids 2. DNA and RNA
3. Nucleic acids and SER 4. Free ribosomes and RER
Subtopic:  Nervous System |
 73%
Level 2: 60%+
NEET - 2018
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Receptor sites for neurotransmitters are present on:

1. Pre-synaptic membrane 2. Tips of axons
3. Post-synaptic membrane 4. Membrane of synaptic vesicles
Subtopic:  Nervous System | Synapse |
 81%
Level 1: 80%+
NEET - 2017
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