A) phase after \[{{G}_{2}}\]
B) phase after M phase, in which daughter cell enters new cell cycle
C) arrest of cell cycle on the onset of differentiation
D) All of the above
Correct Answer: C
Solution :
\[{{G}_{0}}\] phase is the phase of cell differentiation, when cell cycle is stopped about the middle of \[{{G}_{1}}\] phase due to activation of certain genes. The genes allow the cell to grow to a particular size, assume particular shape and perform specific function. In \[{{G}_{2}}\] phase (second growth phase or gap phase, post synthetic phase, pre-mitotic phase), there is synthesis of protein and RNAs, cell organelles increase in number, protein- tubulin is formed. M-phase is the phase of cell division. Cell division consists of nuclear division or karyokinesis and protoplast division or cytokinesis. It is of three type -Amitosis, mitosis and meiosis.
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