A) Kreb?s cycle is a common pathway of oxidative breakdown of carbohydrates, fatty acids and amino acids
B) The energy present in one gram carbohydrate in 4.4 Real or 18.4 kJ
C) When protein are used as respiratory substrate respiration is called protoplasmic respiration
D) The energy present in one gram of fat is 4.8 k cal or 20 kJ
Correct Answer: D
Solution :
The energy present in one gram of fat is 9.8 k cal or 14 kJ, which is maximum as compared to another substrate. The energy present in one gram of protein is 4.8 kcal or 20 kJ.
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