Question

How many molecules of oxygen can be carried by one molecule of haemoglobin----(a)6 (b)2 (c)8 (d)4

Answer 1

4 molecules of oxygen can be carried

Answer 2

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule, allowing each hemoglobin molecule to bind four oxygen molecules. that answer is four