9700/11 Biology Oct Nov 2016 Online Test | Cambridge AS and A Level MCQ
Resting muscle has a lower respiration rate than active muscle. The graph shows the oxygen dissociation curves for haemoglobin at carbon dioxide concentrations that are found in a resting muscle and an active muscle.
P and Q are at the partial pressures of oxygen found in the lungs.
R and S are at the partial pressures of oxygen found in either a resting muscle or an active muscle.
Which…