What is hemoglobin?
A) A reliable source of oxygen
B) A protein that is colorless when deoxygenated
C) An iron-containing respiratory protein
D) A protein found in invertebrates such as crabs and octopus
E) A by-product of gas exchange

Question

What is hemoglobin?  
A) A reliable source of oxygen
B) A protein that is colorless when deoxygenated
C) An iron-containing respiratory protein
D) A protein found in invertebrates such as crabs and octopus
E) A by-product of gas exchange

Quizplus · Accepted Answer

Hemoglobin is an iron-containing respiratory protein found in red blood cells that binds to oxygen and transports it from the lungs to the rest of the body.

What Is Hemoglobin