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B2.3 Cell Size and Constraints
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Total cards: 3•Content version: v3•Public deck•Updated: 8/1/2026
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#1
Front (Question)
How does cell size affect surface area-to-volume ratio?
Back (Answer)
Larger cells have a lower SA:V ratio, reducing efficiency of nutrient uptake and waste removal.
#2
Front (Question)
How can cell shape adapt to increase surface area?
Back (Answer)
Flattening, elongation, invagination, or microvilli formation.
#3
Front (Question)
Why are microvilli important in the intestine and nephron?
Back (Answer)
Increase surface area for nutrient absorption (intestine) or filtrate reabsorption (nephron).