Haemoglobin was studied intensively in the early days of structural and molecular biology. For 10 points each, answer the following about it:
[10e] These biconcave cells carry haemoglobin in the blood.
ANSWER: red blood cells [or erythrocytes; accept red blood corpuscles; accept erythrocytes or erythroid cells; accept haematids]
[10h] This scientist is renowned for solving the structure of haemoglobin in 1959. This molecular biologist controversially passed crucial X-ray diffraction data on DNA to Watson and Crick without Rosalind Franklin's knowledge.
ANSWER: Max (Ferdinand) Perutz
[10m] Binding of 2,3-bisphosphoglycerate to haemoglobin decreases its affinity for oxygen and exemplifies this phenomenon, whereby a molecule binds to a part of an enzyme that is not the active site to modify its activity.
ANSWER: allostery [accept allosteric control and equivalents; accept allosteric effectors]