MCQ
Cells which lose their nucleus during differentiation are:
- ANerve cells
- BMuscle cells
- CErythrocytes
- DLeucocytes
Explanation:
Erythrocytes are red blood cells, that are involved in delivering oxygen to various tissues. In humans, these becomes anuclated as they get mature for providing more space for hemoglobin.
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$R$ : Ionic channels are absent in the area covered by myelin sheath therefore, depolarization occurs only at the nodes of Ranvier, resulting in saltatory or jumping conduction.