The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is

8

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6

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4

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2

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Solution

The correct option is C $4$
Hemoglobin molecules consists of four heme groups. Each heme group contains an iron atom which binds to one oxygen molecule. Hence, one molecule of hemoglobin can bind to maximum 4 oxygen molecules.
Thus, the correct answer is option C.

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Read the passage and answer the following question.

Both myoglobin and hemoglobin are oxygen-binding molecules found in vertebrates. Myoglobin is the major oxygen-binding protein of muscle, whereas hemoglobin is the major oxygen-binding protein of blood. The following graphs called oxygen dissociation curves. On the x-axis is the pressure of oxygen $(O_{2})$ and on the y-axis is the proportion of oxygen binding sites that are filled, referred to as saturation.

Hemoglobin in capillaries of the lungs is exposed to an oxygen pressure of 100. This hemoglobin is transported within red blood cells to capillaries in muscle, where the oxygen pressure is only 20. The condition occurs in the muscle is

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The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is

The correct option is C 4Hemoglobin molecules consists of four heme groups. Each heme group contains an iron atom which binds to one oxygen molecule. Hence, one molecule of hemoglobin can bind to maximum 4 oxygen molecules.Thus, the correct answer is option C.

The correct option is C $4$
Hemoglobin molecules consists of four heme groups. Each heme group contains an iron atom which binds to one oxygen molecule. Hence, one molecule of hemoglobin can bind to maximum 4 oxygen molecules.
Thus, the correct answer is option C.