Nissl bodies are mainly composed of:
1. | Proteins and lipids | 2. | DNA and RNA |
3. | Nucleic acids and SER | 4. | Free ribosomes and RER |
Column I | Column II | |
1. | Medulla oblongata | controls respiration and cardiovascular reflexes. |
2. | Limbic system | consists of fibre tracts that interconnect different regions of brain; controls movement. |
3. | Hypothalamus | production of releasing hormones and regulation of temperature, hunger and thirst. |
4. | Corpus callosum | band of fibers connecting left and right cerebral hemispheres. |
Myelin sheath is produced by
(1) Schwann cells and Oligodendrocytes
(2) Astrocytes and Schwann cells
(3) Oligodendrocytes and Osteoclasts
(4) Osteoclasts and Astrocytes
Receptor sites for neurotransmitters are present on:
1. Pre-synaptic membrane
2. Tips of axons
3. Post-synaptic membrane
4. Membrane of synaptic vesicles