Nissl bodies are mainly composed of:
1. | Proteins and lipids | 2. | DNA and RNA |
3. | Nucleic acids and SER | 4. | Free ribosomes and RER |
Receptor sites for neurotransmitters are present on:
1. Pre-synaptic membrane
2. Tips of axons
3. Post-synaptic membrane
4. Membrane of synaptic vesicles