You are asked to culture an unidentified sample of animal tissue. You notice that the cells seem to fail to exhibit density-dependent inhibition. The source of this tissue sample is most likely
A)a cancerous tumor.
B)skin from a human.
C)a liver from a cow.
D)the sperm-producing tissue of the testis.

Question

Quizplus · Accepted Answer

Failure to exhibit density-dependent inhibition is a characteristic of cancer cells. Therefore, the most likely source of the tissue sample is a cancerous tumor.

You Are Asked to Culture an Unidentified Sample of Animal