What is the name of the unique iron-containing protein found in blood?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
23 Jan 2020
Last updated
28 May 2026

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Explanation

Hemoglobin is a specialized protein that contains iron and is responsible for transporting oxygen in the blood. Hormones are signaling molecules, erythrocytes are red blood cells that contain hemoglobin, and leukocytes are white blood cells involved in immune response.

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