A) Permeability which becomes very slow
B) Permeability which becomes very high
C) Diffusion which becomes very slow
D) Diffusion which becomes very high
Correct Answer: A
Solution :
Collagen in young age groups is permeable, flexible and soluble so there is easy exchange material between the cell cytoplasm and interstitial fluid through semipermeable cell membrane. But with advancing age the collagen protein becomes less flexible, less permeable and insoluble.
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