11-25-2007, 05:33 AM
Accumulation ofwhich of the following substances indicates aging at a cellular level?
A Beta-carotene
B Bilirubin
C Hemosiderin
D Lipofuscin
E Melanin.
A Beta-carotene
B Bilirubin
C Hemosiderin
D Lipofuscin
E Melanin.