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Evolution

Question
CBSEENBI12003194
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During starvation what will be sequence of ending of food stuffs ?

  • Carbohydrates - Fat- Protein

  • Carbohydrate - Protein - Fat

  • Fat - Protein - Carbohydrate

  • Fat - Carbohydrate- Protein

Solution

A.

Carbohydrates - Fat- Protein

During starvation cells use glucose present in blood. After depletion of glucose from blood, glycogen are released from liver(stored glycogen are enough to carry out the normal daily activity of a day) and broken down into glucose to be used as ATP source. After glycogen consumption, the body switches to fat as energy source. In extreme conditions when body runs out from stored glucose/glycogen and fats to uses protein as energy source.

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