module 2 Flashcards

1
Q

at the beginning of an axon what ion gate is present more then anywhere in the neuron

A

sodium gated ion channel

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2
Q

does the soma and dendrite have the same material as the dendrite initial part ? yes or no

A

yes , hence unlike the axon beggining the begginning of a dendrite has similar features as the soma body with rer, golgi etc. overall this is called polarisation

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3
Q

what forms the cytoskeleton ?

A

fibers and asssociated proteins

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4
Q

what is the function of the cytoskeleton in a neuron ?

A

it provides internal framework, shape, distribution/localisation/anchoring of organelles and membrane protein scaffolding

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5
Q

what is the meaning of dynamic structure in a neuron cytoskeleton context ?

A

its a dynamic structure eg microtubules and actin change during growth and development and plasticity.

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6
Q

what is the neuronal cytoskeleton made of ?

A

microtubule, neurofilament and microfilaments

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7
Q

give an example of a microtubule

A

tubulin filaments

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8
Q

give an example of neurofilaments

A

intermediate filament

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9
Q

give an example of microfilament

A

f-actin filamentous and g actin - monomeric.

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