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Rp4 stuvia 2024 - Samenvattingen en Aantekeningen

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aqa a-level biology: RP4, effect of temperature on cell membrane permeability Questions & Answers(RATED A+)

  • aqa a-level biology: RP4, effect of temperature on cell membrane permeability Questions & Answers(RATED A+)

  • Tentamen (uitwerkingen) • 2 pagina's • 2024
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    • What is the premise behind the experiment? - ANSWER- Cell surface membranes made of phospholipid bilayer > selectively permeable. This can be changed by variables like temp and solvent conc. - As temp increases, enzymes like transport proteins lining the membrane may denature, allowing the red pigment to leave the membrane as it is now permeable to more susbstances. - Membrane permeability is measured using beetroot cells, which contain a purple pigment. When membranes are more permeable, ...
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