Keratins are a large family of intermediate filament proteins. Scientists studying the effect of keratins in the liver generated model organisms deficient in keratins. These organisms may display abnormal hepatocyte phenotypes because keratin deficiency may reduce the:A.ability of cells to undergo cytokinesis.B.intracellular transport of substances.C.capacity of cells to resist mechanical forces.D.number of cilia on the cell surface.
Question
Keratins are a large family of intermediate filament proteins. Scientists studying the effect of keratins in the liver generated model organisms deficient in keratins. These organisms may display abnormal hepatocyte phenotypes because keratin deficiency may reduce the:A.ability of cells to undergo cytokinesis.B.intracellular transport of substances.C.capacity of cells to resist mechanical forces.D.number of cilia on the cell surface.
Solution
The keratins are intermediate filament proteins that provide mechanical support for cells and tissues, contributing to their shape and helping them resist deformation. Therefore, a deficiency in keratins may reduce the capacity of cells to resist mechanical forces. So, the correct answer is C. capacity of cells to resist mechanical forces.
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