cells of the nervous system

Question 1

why is the neuronal cytoskeleton maintained precisely

Answer 1

due to axon length and maintaining axon caliber

Question 2

what cytoskeleton elements are abundantly present

Answer 2

neurofilaments, microtubules

Question 3

what determines axon caliber

Answer 3

neurofilaments

Question 4

fast axonal transport targeting

Answer 4

transport of membrane associated materials; different membrane structures targeted to different compartments

Question 5

microtubules for axonal transport

Answer 5

all proteins going to same location are packaged into same vesicle; vesicles attach to microtubules (+ve and -ve ends) and motor proteins move vesicle down

Question 6

what travels retrograde (backward)

Answer 6

organelles

Question 7

what travels anterograde (forward)

Answer 7

vesicles

Question 8

how are vesicles containing organelles and vesicles containing neurotransmitter not confused

Answer 8

morpholgically and biochemically distinct