Which of the Following Statements Is/are True of Hemoglobin

question 49

Multiple Choice

Which of the following statements is/are true of hemoglobin?
1. The transport of O₂ in the blood is carried out by hemoglobin.
2. Each hemoglobin can bind seven O₂ molecule.
3. Hemoglobin consists of two myoglobin-like units.

• A) ​1 only
• B) ​2 only
• C) ​3 only
• D) ​1 and 2
• E) ​2 and 3

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