(there are 5 questions in this topic)

Question 10
Question 14
Question 16
Question 18
Question 23
2017, Paper 2
Question 14

Resting membrane potential and the Gibbs-Donnan Effect
2016, Paper 1
Question 18

Structure and function of the mitochondrion
2014, Paper 1
Question 16

Cell membrane structure, and the transport of substances across it
2013, Paper 1
Question 23

Cell signalling and signal transduction systems
2012, Paper 2
Question 10

Transport of substances across cell membranes