1# When you have Acute lymphocytic leukemia cells your cells start to not do their job and protect the body. It also effects immature cells that otherwise would become white blood cells or lymphocytes 2# It was a challenge for the scientists because when they were studying them they wouldn't stay alive for the certain amount of time that they needed to study. 3# They transformed because the cancerous cells had signals that transformed regular cells to cancerous cells.

1# On March 27th Seth was going to have a bone marrow transplant. His favorite color was yellow so his family wanted everyone to where yellow for Seth. 2# Yellow signifies a good immune system. In the passage it says "They want everyone to wear Seth's favorite color yellow, and post pictures on Facebook, Twitter or Instagram, with the hashtag #WearYellowForSeth." 3# SCID is a genetic condition that arises when the body is born without T cells - the most important white blood cells. Its called bubble boy disease because the person who called it that spent most of his time in a germ free bubble.