Biology Tuition Singapore – Chemicals of Life Important Definitions

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Biology Tuition Singapore – Chemicals of Life Important Definitions

1. Carbohydrates are organic compounds that are made up of carbon, hydrogen and oxygen. They have the general formula of C_nH_2m0„₁.
2. Fats are organic compounds that are made up of carbon, hydrogen and oxygen (less oxygen in proportion to hydrogen). They have no general formula, since the proportion of elements that make up fats is not fixed.
3. Proteins are complex organic compounds that are made up of carbon, hydrogen, oxygen and nitrogen (sulfur may sometimes be present).
4. A condensation reaction is a chemical reaction in which two smaller molecules are combined to form a larger molecule (e.g. a complex carbohydrate or protein) with the removal of one molecule of water.

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