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Cell Cycle and Cell Division — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYCell Cycle and Cell Division5 Marks
Question
How does cytokinesis in plant cells differ from that in animal cells?
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Answer

Differences between plant cytokinesis and animal cytokinesis
  Plant Cytokinesis   Animal Cytokinesis
i. It occurs by cell plate formation. i. It occurs by cleavage.
ii. The cell plate appears at the centre and extends outwards. ii. Cleavage begins at the periphery and proceeds inwards
iii. Fusion of vesicles begins cell plate formation.  iii. Cleavage is started by contraction of a peripheral ring of microfilaments.
iv. A midbody is not formed.  iv. A midbody of dense material is formed at the middle of the cell. 

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