Proteins: building block: amino acids, meat and beans, involved in cell transport and structural support, enzymes and hair, Lipids: building block: fatty acids, butter and oil, provide long term energy, provide heat insulation, form the cell membrane, Carbohydrates: building block: monosaccharides, bread and pasta, provide short term energy, supply energy for the cell (glucose), Nucleic Acids: building block: nucleotides, DNA and RNA, contain genetic information, contain instructions to make proteins,

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