Biology
Grade-7
Easy

Question

Which of the following are also known as energy reservoirs?

  1. Protein
  2. Carbohydrates
  3. Lipid 
  4. Nitrogen

hintHint:

Fats and oils are included in this type of biomolecule.

The correct answer is: Lipid


    • Lipids are biomolecules that have higher calorific value than carbohydrates
    • A single gram of lipid can produce 9kcal of energy
    • Carbohydrates are a readily available sources of energy and lipids are considered energy reserves
    • The energy that is produced in excess is stored in the fat cells as triglycerides
    • In the absence of carbohydrates, lipids undergo catabolism to provide energy

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