Which statement about oxygen combining with haemoglobin is correct?
1 )
All oxygen molecules which combine stop the haemoglobin molecule changing shape.
2 )
Four oxygen molecules can combine with each haem group.
3 )
The first oxygen molecule to combine does not affect the shape of haemoglobin.
The second oxygen molecule to combine makes it easier for the third to combine.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!