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Multiple Choice
Which of these proteins functions to store or transport iron?
A
Ferritin
B
Keratin
C
Collagen
D
Hemoglobin
Verified step by step guidance
1
Begin by identifying the primary function of each protein listed. Ferritin is known for its role in iron storage within cells.
Keratin is a structural protein found in hair, nails, and the outer layer of skin, not involved in iron storage or transport.
Collagen is another structural protein, primarily responsible for providing strength and support to connective tissues, not related to iron storage or transport.
Hemoglobin is a protein found in red blood cells, responsible for transporting oxygen throughout the body. It also binds iron, but its primary function is oxygen transport.
Conclude that Ferritin is the protein specifically designed to store iron, making it the correct answer for the function of storing or transporting iron.