Neurobiology — DU B. Sc. (Hons) Biochemistry Previous Year Question Papers

2. There are 6 questions. a. Saltatory conduction b. Glymphatics Neural plasticity d. Nernst's equation e. Long term potentiation B. Give one word for the following: - %. The arenar the braill esponsible for postlia bin in the PNS. The area of the brain responsible for postural balance. C. d. A functional, organized group of neurons within the CNS that processes, integrates, and forwards specific information. e. The large bundle of white matter that connects the 2 hemispheres. Differentiate between: Cerebellar cortex and cerebrum cortex Action potential and graded potential Subarachnoid and subdural spaces 3A. Comment on the following: Growth cones respond to molecular cues and direct axonal synapsing. Lumbar/spinal tap of CSF is used for diagnostics / is a diagnostic procedure. Some neurons do not adhere to the Dale's Principal. e. Microglia is the only cell that does not originate from neuroectoderm. B. Explain why patients suffering from Multiple Sclerosis and Myasthenia Gravis undergo thymus removal and corticosteroids treatment. 4A. Diagrammatically represent: a. Generation of action potential at the neuromuscular junction Perception of pain c. Reflex arc d. Perisynaptic regulation of glutamate neurotransmitter metabolism. e. Representation of EEG patterns during stages of sleep. 5A. Explain the role of notch and delta signaling in neurogenesis and gliogenesis. B. Explain the anatomy of the Blood brain barrier. How does it function as a barrier and a carrier? C. Explain phototransduction and visual perception. (5x3) 6. Write short notes on: