One function of the microvilli is to increase the surface area of a membrane to provide for more efficient absorption.

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Microvilli are small finger-like projections found on the surface of certain types of cells, such as the lining of the small intestine. Their function is to increase the surface area of the membrane, which allows for more nutrients to be absorbed into the cell. Therefore, microvilli do in fact increase membrane surface area to promote more efficient absorption.

One Function of the Microvilli Is to Increase the Surface