1) For nonsmokers, approximately 2.3% of the hemoglobin molecules within the blo

Question

1) For nonsmokers, approximately 2.3% of the hemoglobin molecules within the blood are unable to bind and carry oxygen. As much as 6.0% of the hemoglobin molecules are inactive in smokers. How many inactive hemoglobin molecules does Sally contain if she is a nonsmoker?

2). Each hemoglobin molecule can bind four diatomic oxygen molecules. How many grams of oxygen can each liter of Sally’s blood bind?

3). Arterial hemoglobin is approximately 95% saturated with oxygen, whereas venous hemoglobin is approximately 55% saturated with oxygen. How many grams of oxygen per liter of blood are delivered to Sally’s tissues as the blood moves through your capillaries from your arteries to your veins?

Explanation / Answer

Oxygen always binds to an active site in the haemoglobin molecule. For non-smokers (including Sally), 2.3% molecules are unable to bind oxygen. So, 2.3% molecules are inactive.

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