This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The time taken for the cell to divide and pass through the entire epithelium is known as: 
Select and explain. 
A. Differentiation., B. Turn over time., C. Desquamation., D. Maturation.
B: Turn over time.
Answer: B: Turn over time. 
Explanation: Differentiation – After mictosis, during its migration, a keratinocyte becomes committed to biochemical & morphologic changes.
Desquamation – Process of shedding of surface epithelial cells.
Maturation – Process of cell migration from the basal layer to the surface.
Turnover time / rate – The time taken for the cell to  divide & pass through the entire epithelium.