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4 votes
Which of these is a protein?

table sugar
sunflower oil
collagen

2 Answers

7 votes
sun flower oil it comes from a plant and the plant is a protein 
User Kikito
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7.4k points
5 votes
collagen is the main component of connective tissue, it is the most abundant protein in mammals making up from 25% to 35% of whole-body protein
User Onel
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