Summary:

All forms of living matter consist of either pyeararyotic cells (bacteria) or eukaryotic cells (multicellular organisms). The building materials of cells are polymers:



Enzymes are important proteins. They catalyse biochemical reactions, e.g., the enzyme protease cleaves polypeptide chains. Carbohydrates and lipids are deposits of energy, while DNA/RNA are deposits of information (instructions on how to build up proteins).

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