Multiple choice

Iron is carried by the protein ______ within the bloodstream

  1. Ferritin

  2. Transferrin

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Transferrin is the main glycoprotein in the blood that binds to iron and transports it throughout the body. Ferritin, on the other hand, is primarily a storage protein that keeps iron safely stored inside cells. Therefore, transferrin is the correct protein for bloodstream transport.