Normal cells have a contact inhibition feedback mechanism that prevents the cells from replicating when other cells are touched. A diagram of cells with contact inhibition and cells without contact inhibition is shown.Which statement best describes what will happen to cells in an organism that lack contact inhibition?Ask Studybuddy (Login to use)Group of answer choicesThe cells will continue to grow, causing a tumor in the body.The cells will replicate normally, replacing body cells that die.The cells will replicate until the food supply for each cell is used, causing each cell to die.The cells will stop replicating once one layer is produced, as other body cells will crowd them out. PreviousNext Quiz saved at 12:10a
Question
Normal cells have a contact inhibition feedback mechanism that prevents the cells from replicating when other cells are touched. A diagram of cells with contact inhibition and cells without contact inhibition is shown.Which statement best describes what will happen to cells in an organism that lack contact inhibition?Ask Studybuddy (Login to use)Group of answer choicesThe cells will continue to grow, causing a tumor in the body.The cells will replicate normally, replacing body cells that die.The cells will replicate until the food supply for each cell is used, causing each cell to die.The cells will stop replicating once one layer is produced, as other body cells will crowd them out. PreviousNext Quiz saved at 12:10a
Solution
The cells will continue to grow, causing a tumor in the body. This is because contact inhibition is a regulatory mechanism that functions to keep cells growing into a layer one cell thick (a monolayer). If a cell has contact inhibition, it will stop dividing when it comes into contact with another cell. Without this mechanism, cells can start to pile up on each other leading to uncontrolled growth and potentially tumor formation.
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