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According to the graph, which of the following correctly describes the activity of hemoglobin in a higher than normal acid environment?

According to the graph, which of the following correctly describes the activity of hemoglobin in a higher than normal acid environment? Correct Answer Oxygen saturation of hemoglobin is lower.

D. The plot representing a higher than normal acid environment (which is a lower than normal pH, or in this graph, pH = 7.2), is below the plot representing a normal pH (pH = 7.4). The lower curve corresponds with lower hemoglobin saturation. Be extra careful with questions that have pH or acid/base information. Make notes on the test indicating which pH is acid and which is basic.

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