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 Form 1 Biology topical questions and answers on the cell

The diagram below illustrates a specialized cell obtained from a certain tissue.
figcell19620201426.JPG
(a) Name the cell.
(b) State two ways in which the cell is structurally adapted to its function.

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Answer Text:
a)- Neuron/ motor neuron
b)- The cell body has extensions (axon,Dendron,dendrites) for impulse transmission.
- The cell has nucleus to control cell activities
- The axon is enclosed by a myelin sheath that insulate the axon and prevent loss of impulse.
- Presence of schwann cell that secretes the myelin sheath
- Myelin sheath has nodes of Ranvier to propagate the nerve impulse and speed up the transmission of the impulse.


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