Early observations of a cultured cell line indicated that the cells did not exhibit either density-dependent inhibition or anchorage dependence. What do these observations suggest about this cell line?
A) The cells are unable to form spindle microtubules.
B) The cells follow an altered series of cell cycle phases.
C) The cells show characteristics of tumours.
D) The cells have nonfunctional MPF.

Question

Quizplus · Accepted Answer

Density-dependent inhibition and anchorage dependence are mechanisms that normal cells use to regulate their growth and prevent the formation of tumours. Absence of these mechanisms suggests that the cells are not properly regulated and may have characteristics of tumours.

Early Observations of a Cultured Cell Line Indicated That the Cells