Enviromental factor

Having thus seen that enviromental factors determine viscosity largely by their effect on free volume let us now consider the influence of molecular factors which affect viscosity largely by entanglement effects. 

In a given protein inaccessibility of tryptophan units to NBS may not necessarily mean stability to enzymatic cleavage. In TMV-protein, for instance, all three tryptophan peptide bonds are cleaved by the action of chymotrypsin. This means that the approach of a chemical cleaving agent and of an enzjnne is affected by the same enviromental factors to a different degree. Exclusive iodination of the A chain of insulin is a related example of an unreactive tyrosine residue in the B chain (Springell, 1961). 

Atherosclerosis is a multifactorial pathology, and genetic and enviromental factors contribute to the development of the disease. Endothelial and smooth muscle cells and blood components, including monocytes/macrophages, platelets and LDL play a crucial role in the formation of the atheromatous plaque "Fig. (4)", [62]. 

Torok, A. 2008. Black cmsts on travertine factors controlling development and stability Enviromental Geology, 56 583-584. 

The electrical properties of composites that are of interest include the relative permittivity or dielectric constant, e, the dissipation factor, tan 5, the dielectric strength (kV/mm) and the surface and volume resistivities. These properties will depend upon the constitution of the composite, the alignment of the fibres, the temperature and other enviromental conditions, and upon the frequency at which the measurement is made. 

Kuiper P. J. C. Lipid metabolism as factor in enviromental adaptation. In Mazliak P., Benveniste P., Costes C. and Douce R. editors Biogenesis and function of plant lipids. Biomedical Press, Elsevier North Holland, 1980 169-176. 

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