Composition of food.

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Most of the food we eat is from other living organisms.

The organisms are made of the same biological molecules as humans - fats, proteins and carbohydrates.

Most fats are made of glycerol and 3 fatty acids


Most fats are made of one molecule of glycerol and 3 fatty acids attatced, these are called triglycerides.

Proteins and some carbohydrates are polymers.

Polymers are made by joining together lots of smaller molecules called monomers

Monomers                                  Polymers

Monosaccharides                        Carbohydrate (Polysaccharide)

Amino acid          …


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