HeLa

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/hela

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the cell line designation?HeLa
2. What is the date of cell culture initiation?February 8, 1951
3. What are HeLa cells?HeLa cells are tiny cells that keep dividing forever. They came from a woman named Henrietta Lacks who had cervical cancer.
4. Why do HeLa cells never stop growing?HeLa cells can grow forever because they have a special enzyme called telomerase that rebuilds their chromosome ends. They also have extra chromosomes that help them keep dividing.

Informed Consent: The process by which a patient or research subject voluntarily agrees to a medical procedure or participation in research after receiving adequate information.
Cell Senescence: A process where normal cells stop dividing after a certain number of replications, often due to telomere shortening.
Telomeres: Repetitive nucleotide sequences at the ends of eukaryotic chromosomes that protect them from degradation and fusion.
Aneuploidy: The presence of an abnormal number of chromosomes in a cell, a common characteristic of cancer cells.