Which of the following would most likely promote necrosis?

Notice the comment that after treatment your CD4 count should rise. Why does treatment allow CD4s to increase?   A Anti-retroviral therapy consists of transfusions of CD4 cells.   B Anti-retroviral therapy directly stimulates cell division of CD4 cells, so their numbers increase.   C Anti-retroviral therapy will prevent HIV from replicating and killing your CD4s. CD4s can grow back to some degree.

Please answer subquestions 1.a and 1.b   Question 1.a: A mutation in MAPK makes it constitutively active. If cells are treated with the control treatment (no EGF)                             will be observed. When cells are treated with EGF                            will be observed. A. No proliferation; proliferation B. Proliferation; proliferation C. No proliferation; no proliferation D. Proliferation; no proliferation   Question 1.b: In order to prevent a specific event (step),  from occurring in a pathway (e.g, the phosphorylation of MAPKK), you should target the                             portion of the cascade with an inhibitor. A. Downstream B. Extracellular C. Nuclear D. Upstream

Stargardt's disease was one of these that can be treated using embryonic stem cells.  Why would scientist chose to use this type of stem cell in treatment of Stargard's?     A. There ae not ethical issue concerning their use   B. They retain stem cell properties even after specialization    C. They are able to differentiate into the required cell type   D. They are already specialized for this funtion