The figure below shows that ________.
A) hemoglobin can bind to either oxygen or carbon dioxide
B) a hemoglobin molecule can bind up to four molecules of oxygen
C) a red blood cell contains four hemoglobin molecules
D) each iron atom can bind four oxygen molecules

Question

The figure below shows that ________. 
A) hemoglobin can bind to either oxygen or carbon dioxide 
B) a hemoglobin molecule can bind up to four molecules of oxygen 
C) a red blood cell contains four hemoglobin molecules 
D) each iron atom can bind four oxygen molecules

Quizplus · Accepted Answer

The figure shows that each hemoglobin molecule can bind up to four molecules of oxygen. This is represented by the four oxygen molecules attached to each hemoglobin molecule in the diagram. There is no information in this figure to support choices A, C, or D.

The Figure Below Shows That ________