Biology
Grade-7
Easy
Question
Which of the following are also known as energy reservoirs?
- Protein
- Carbohydrates
- Lipid
- Nitrogen
Hint:
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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