Membrane permeability practical
Exam question
Mark points shown after marking
One beetroot cube was placed in 5 cm³ of an alcohol solution for 30 minutes; colour intensity of the liquid was measured after removal. Temperature and beetroot cube size should be controlled.
Explain how each of the following would affect the results: an increase in temperature; a decrease in size of the beetroot cube.
(4)Total for this question: 4 marks