Cytokinesis is part of the cell cycle and
A - VCE - SSCE Biology - Question 18 - 2016 - Paper 1
Question 18
Cytokinesis is part of the cell cycle and
A. usually follows nuclear division.
B. will occur between the G1 and S phases of the cell cycle.
C. in plant cells it begi... show full transcript
Worked Solution & Example Answer:Cytokinesis is part of the cell cycle and
A - VCE - SSCE Biology - Question 18 - 2016 - Paper 1
Step 1
A. usually follows nuclear division.
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Answer
Cytokinesis occurs after mitosis, hence it usually follows nuclear division.
Step 2
B. will occur between the G1 and S phases of the cell cycle.
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Answer
Cytokinesis does not occur between the G1 and S phases; it occurs during the M phase after nuclear division.
Step 3
C. in plant cells it begins with the formation of a very rigid lipid bilayer within the divided cell.
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Answer
In plant cells, cytokinesis begins with the formation of a cell plate that develops into a rigid cell wall.
Step 4
D. in animal cells it begins with the plasma membrane being pulled inwards towards the cell plate.
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Answer
In animal cells, cytokinesis begins with the plasma membrane constricting and forming a cleavage furrow, which leads to the division of the cell.