Biology A-Level
surface area
What surface area means in Biology A-Level, as defined for AQA.
Definition of surface area
Check what you remember
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Reference: AQA
A greater area of internal or external membranes increases the rate of transport, because more membrane is available for movement.
Topics that use surface area
- Transport across cell membranes (AQA A-Level)
Related terms
- active transport
- betalain pigment leakage
- calibration curve
- colorimetry and absorbance
- cristae
- Fluid mosaic model
- glycoproteins and glycolipids
- hydrophilic heads and hydrophobic tails
Using surface area in the exam
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