Consider two cells: a stomach-lining epithelial cell dividing more than twice a day and a liver cell dividing every year or two. Which cell is likely to be in G0 phase and why?

Respuesta :

The correct answer is liver cell is likely to be in G0 phase.

Cells of inner lining of the stomach made of epithelial cells. They are protective in nature. They get damaged and need to be replaced through division. Whereas, liver is made of hepatocytes and once they reached maturity. These cells are not need to be replaced and cell cycle is generally in G0 stage. The G0 phase is a resting phase in the cell cycle. In this phase cells remain in a quiescent state because in G0 phase a cell is neither dividing nor preparing to divide. G0 phase allows cells to become adapted for particular function. Hepatocytes may divide when there is removal of part of liver.

Answer:

The correct answer is liver cell.

Explanation:

Quiescent phase is a phase of cell cycle which the division of cell become inactive or dormant. In this phase, the cell regulates whether the cell goes for division or not.

In animals, the epithelial lining is a protective layer that changes frequently when it gets damaged. The Cell divides to heal the damage in the layer but in liver cells, they get matured with time and they do not replace by the cell division. They go to the spleen for the digestion of the old cell.

Therefore, the liver cells remains to be in the quiescent phase or [tex]G_{o}[/tex] phase

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