Immortal Cells Turn 96

What unique characteristic did Henrietta Lacks' cells exhibit in a controlled lab environment?

• They quickly died after a few divisions.

• They stopped dividing after a short period.

• They kept dividing indefinitely without slowing down.

• They transformed into different types of cells.

Which life-saving vaccine was developed with the help of HeLa cells?

• Measles vaccine

• Polio vaccine

• Flu vaccine

• Smallpox vaccine

Besides vaccine development, what other areas of research have HeLa cells been used to study?

• Only the effects of radiation.

• Cloning, genetics, and treatments for diseases like herpes and Parkinson's.

• Only bacteria and hormones.

• Only the aging process in human cells.

What was discovered to be the primary reason Henrietta Lacks' cells continued to divide indefinitely?

• A rare genetic mutation inherited from her parents.

• A special nutrient solution used in the lab.

• A scrambled part of the Human Papillomavirus (HPV) genome combined with her own DNA, activating a cancer-causing gene.

• Exposure to high levels of radiation.