Cancer and stem cells

Question 1

where does DNA replication take place?

Answer 1

in interphase (S-phase of the cell cycle)

Question 2

cancer

Answer 2

disease caused by an uncontrolled division of abnormal cells in a part of the body

Question 3

tumor

Answer 3

swelling of a part of the body caused by an abnormal growth of tissue

Question 4

malignant tumor

Answer 4

cancerous growths, they are often resistant to treatment, may spread to other parts of the body

Question 5

benign tumor

Answer 5

noncancerous, if the cells are not cancerous it won’t invade nearby tissues or spread to other areas of the body

Question 6

metastasis

Answer 6

the development of sedentary malignant growths at a distance from a primary site of cancer

Question 7

how could stem cells help with cancer?

Answer 7

stem cells can differentiate into many other types of cells

Question 8

what are the risks of using stem cells?

Answer 8

-long term side effects are unknown –> may lead to cancers or foreign materials may be rejected by the body

Question 9

what are the benefits of using stem cells?

Answer 9

-great potential to treat diseases or reversing the damage caused by disease
-could be used for testing new drugs, manufacturing specialised cells or even tissues and organs