I) In general stem cells ability to reproduce (proliferate) declines with age? True or False

II) Studies using micro arrays have the benefit that

a. they are automated
b. they are quantitative
c. they examine thousands of genes simultaneously
d. they do everything on the lines above

III) Studies of transcription patterns across an animal's lifetime only make sense if

a. the animals were born at the same time
b. the rates of transcription are identical
c. the same tissues are examined each time
d. protein synthesis mirrors transcription

IV) What are the effects of senescent cells on the aging body, why don't they have the same effects in young bodies?

V) The experiments in heterochronic (cross-age) transplantation showed that

a. younger stem cell populations flourished when transplanted into old recipients
b. stem cells derived from older donors proliferated faster than young stem cells in a young animal
c. the age of the recipient was more important than the age of the donor in a cross-age transplantation experiment
d. none of the above