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Which macromolecule is the main source of energy for living organisms? A_fat B_nucleic acid C_protein D_carbohydrates
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1 vote
Which macromolecule is the main source of energy for living organisms?

A_fat
B_nucleic acid
C_protein
D_carbohydrates

User Grapefruitmoon
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2 Answers

1 vote
I would say C. Protein. Mostly because protein and lipids are the main sources of energy. Carbohydrates are just one type while protein covers most. if I'm wrong, pls tell me.  
User Mahfuzul Alam
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3 votes
Carbohydrates are the main source because of the presence of cAMP in cells
User LeMike
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7.1k points
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