Biology A-Level
betalain pigment leakage
What betalain pigment leakage means in Biology A-Level, as defined for AQA.
Definition of betalain pigment leakage
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Reference: AQA
The red pigment contained in the vacuoles stays inside while the tonoplast and cell-surface membrane are intact and leaks out once they are damaged.
Topics that use betalain pigment leakage
- Transport across cell membranes (AQA A-Level)
Related terms
- active transport
- calibration curve
- colorimetry and absorbance
- cristae
- Fluid mosaic model
- glycoproteins and glycolipids
- hydrophilic heads and hydrophobic tails
- lateral movement of membrane components
Using betalain pigment leakage in the exam
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