Rp4 stuvia 2024 Study guides, Class notes & Summaries

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

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, ...