Biology
Grade-7
Easy
Question
__ and __ are made up of Carbon, hydrogen, and oxygen.
- Carbohydrates and lipids
- Carbohydrates and protein
- Lipid and protein
- Lipid and fat
Hint:
The biomolecules provide energy to the cells.
The correct answer is: Carbohydrates and lipids
- All the biomolecules are made up of C, Hand O.
- Proteins and nucleic acids also contain other atoms like N, S, etc
- Lipids and carbohydrates contain only C, H, and O
- The general formula for carbohydrates is Cn(H2O)n
- The general formula for lipids is CH3(CH2)nCOOH
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