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Question
Which of the following respiratory material requires the highest numbers of O2 molecules for its complete oxidation?
Which of the following respiratory material requires the highest numbers of O2 molecules for its complete oxidation?
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Solution
The correct option is D Triolein
Respiratory materials that are more oxidized require less number of oxygen for their complete oxidation. They have higher respiratory quotients. For example, glucose has high respiratory quotients. Similarly, respiratory materials that are less oxidized require more number of oxygen for their complete oxidation. They have lower respiratory quotients. For example, fatty acids has low respiratory quotients. Triolein has lowest respiratory quotients. It has RQ of 0.7. RQ of malic acid, tartaric acid and oleic acid are 1.3, 1.6 and 0.71 respectively. Hence, triolein requires the highest numbers of oxygen molecules for its complete oxidation.Thus, the correct answer is 'Triolein'.
Respiratory materials that are more oxidized require less number of oxygen for their complete oxidation. They have higher respiratory quotients. For example, glucose has high respiratory quotients. Similarly, respiratory materials that are less oxidized require more number of oxygen for their complete oxidation. They have lower respiratory quotients. For example, fatty acids has low respiratory quotients. Triolein has lowest respiratory quotients. It has RQ of 0.7. RQ of malic acid, tartaric acid and oleic acid are 1.3, 1.6 and 0.71 respectively. Hence, triolein requires the highest numbers of oxygen molecules for its complete oxidation.
Thus, the correct answer is 'Triolein'.
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