100 likes | 388 Views
Is There a Connection Between Organismal Aging and Cellular Aging ??. Plasma Membrane:Structural Changes lead toChanges in permeabilityLess Fluid due to increase in saturated fatty acids. . Nuclear ChangesChromatin becomes more condensed(increase cross-links)(disulfide bonds between histones)Implication: Damage to DNA less likely repairedLymphocytes in culture, add reducing agents to medium (break disulfide bonds)senescent cells divide again.
E N D