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प्रश्न
Energy is released during the oxidation of compounds in respiration. How is this energy stored and released as and when it is needed?
उत्तर
The energy which gets released during the oxidation of compounds in respiration is stored as Adenosine Triphosphate i.e., ATP. The ATP is stored in the form of chemical bonds.
ADP + IP + energy → ATP ......(ADP = Adenosine Diphosphate and IP = Inorganic phosphorous)
When energy is required then, this bond energy is broken and utilised
ATP → ADP + IP + energy.
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संबंधित प्रश्न
Pyruvate undergoes oxidative decarboxylation to produce _____________.
(a) 2-PGA
(b) α-Ketoglutarate
(c) Succinyl-Co-A
(d) Acetyl-Co-A
Distinguish between the following:
Glycolysis and Fermentation
Describe the connecting link between glycolysis and Krebs’ cycle.
The adenosine triphosphate (ATP) gain during glycolysis, connecting
link and Krebs' cycle respectively are ___
(a) 8, 6, 24
(b) 8, 24, 6
(c) 24, 8, 6
(d) 6, 8 24
Following reactions occur during glycolysis. Arrange them in the order of their occurrence in the glycolytic pathway.
- Dihydroxy acetone phosphate → Glyceraldehyde-3-phosphate
- Fructose-6-phosphate → Fructose-1, 6-bisphosphate
- Phosphoenolpyruvate → Pyruvic acid
- 2-Phosphoglycerat → Phosphoenolpyruvate
- Glucose-6-phosphate → Fructose-6- phosphate
- 1,3-bisphosphoglyceric acid → 3- phosphoglyceric acid
Which of the following occurs during preparatory phase of glycolysis?
How many ATP molecules are generated when one molecule of reduced coenzyme NADH2 is re-oxidized during the respiratory chain?
Which of the following will release more energy on oxidation? Arrange them in ascending order.
- 1 gm of fat
- 1 gm of protein
- 1 gm of glucose
- 0.5 g of protein + 0.5g glucose
Write any two energy yielding reactions of glycolysis.
Give an account of Glycolysis. Where does it occur? What is the end product? Trace the fate of these products in both aerobic and anaerobic respiration.
