Fingerlike projections called microvilli are typical of cells specialized for which task?
AContraction of muscle tissue
BAbsorption of nutrients
CSecretion of steroid hormones
DConduction of nerve signals
Answer & Solution
Correct answer: B. Absorption of nutrients
1. Folding a membrane into many fingerlike projections multiplies its surface area.
2. More surface area means more room for material to cross the membrane.
3. Cells that specialize in absorption gain most from that, and they line the small intestine.
4. Muscle contraction and nerve conduction do not depend on maximizing membrane area in this way.
5. Microvilli mark cells specialized for absorption.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.3 Eukaryotic Cells_
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