Some differentiated cells become senescent almost immediately, leaving the cell cycle and undergoing terminal differentiation. Other cells have a high need to proliferate in order to grow and repair the organ or tissue, so they do not enter senescence for a long period of time. Which cell type would be most likely to put off senescence and terminal differentiation so it could continue to replicate in order to grow and repair?(1 point)

Responses

heart cells
heart cells

lung cells
lung cells

brain cells
brain cells

skin cells

1 answer

The cell type most likely to put off senescence and terminal differentiation in order to continue replicating for growth and repair would be skin cells. Skin cells, particularly stem cells in the epidermis, have a high turnover rate and are essential for the repair and renewal of the skin, which experiences constant wear and damage. In contrast, heart cells (cardiomyocytes), lung cells (pulmonary cells), and brain cells (neurons) typically have a more limited proliferative capacity and may enter senescence or terminal differentiation more readily.