Approximately How Many Hemoglobin Molecules are Contained in One RBC

Question

Approximately how many hemoglobin molecules are contained in one RBC?
A) 280 million
B) 15
C) 1.34
D) 4

Accepted Answer

Each red blood cell (RBC) contains about 280 million hemoglobin molecules, which are crucial for transporting oxygen from the lungs to the rest of the body and carbon dioxide back to the lungs to be exhaled.