Apoptosis: programmed cell death; prevents over-proliferation of cells
Researchers began a study of cultured cell line. Their preliminary observations showed them that the cell line did not exhibit either density-dependent inhibition or anchorage dependence. What could they conclude right away?
A) The cells originated in the nervous system
B) The cells show characteristics of tumors
C) The cells have altered series of cell cycle phases
D) The cells were originally derived from an elderly organism
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