Based on the trends shown in the data, explain why some rectangular cells include folds or projections in their plasma membranes .

The folds or projections in the plasma membrane works to increase the surface area of the membrane by many-fold. As can be seen by the increase in certain values, there is a greater surface-area-to -volume-ratio which is indicative of the advantage that cellular processes take place more efficiently this way. Hence, it's favorable for the cells to have folds in its membrane, for instance the villi in the small intestine are finger-like projections that helps in efficient absorption of food into the bloodstream.

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marianaegarciaperedo marianaegarciaperedo · Answer 2 · 2021-09-27T16:54:12+02:00

Microvilli are fingerlike projections useful to increase the cell surface area. This is significant to accomplish absorption and secretion functions in cells of specialized tissues.

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Cells' morphology correlates with their function. Those that intervene in tissues' secretion or absorption processes compose the simple columnar epithelium.

The single-layered, columnar epithelium is formed by cells that are taller than wider.

It lines the interior surface of hollow or tubular organs such as the digestive tract and the uterus.

The simple columnar epithelium cells often present fingerlike projections in their apical surface, lining the organ's lumen. These modifications are known as microvilli.

Microvilli increase the cell surface area and turn to be highly effective in absorption and secretion functions.

These projections allow more substances to interchange between the cells and the environment.

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