Cells of different species, when observed in nutrient solutions, are seen to divide varying numbers of times, with cells of the most long-lived species dividing more times than the cells of short-lived species. The total number of divisions for any given species is sometimes referred to as _______.

Question

Quizplus · Accepted Answer

The term "Hayflick limit" refers to the total number of times a cell can divide before entering senescence, a phenomenon observed in cells of different species. It is named after the scientist who first described this phenomenon, Leonard Hayflick. Therefore, the correct choice is D, the Hayflick limit. Choices A, B, and C are not commonly used terms for this phenomenon.

Cells of Different Species, When Observed in Nutrient Solutions, Are