Question

Which of the follwing is a characteristic of cancerous cells?

A Regulation of cyclin and CDK levelsRegulation of cyclin and CDK levels

B Exhibition of proper contact inhibitionExhibition of proper contact inhibition

C Activation of oncogenesActivation of oncogenes

D Adherence to cell cycle checkpoints

Answer 1

D

Step-by-step explanation:

Cancer cells exhibit uncontrolled and disorganized growth. Formation of new blood vessels is required to bring nutrients and oxygen to cancerous tumors. Cancer cells cannot enter the cell cycle and therefore are mortal. cancer cells enter the cell cycle repeatedly, and in this way they are immortal.