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Organic Molecules Molecules of Life Molecules of our Food Organic (Food) Molecules Found in and produced by living organisms Large and complex Carbon to carbon “backbones” -C–C–C-C Organic Molecules Proteins Carbohydrates (sugars and starches) Nucleic Acids (DNA & RNA) Lipids (Fats & cholesterol) Proteins Polymers of amino acids Polymer – Monomer – Proteins Build an amino acid: Proteins Q: How do amino acids combine to form proteins? A: Dehydration Synthesis Proteins Q: Are cow proteins identical to human proteins? Q: Are cow amino acids identical to human amino acids? Digestion = Hydrolysis Who makes Amino Acids? Answer: What simple inorganic molecules do they use? Proteins FUNCTIONS OF (How are proteins used in living organisms?) Silk of spider web Enzymes (protein catalysts; “helper” molecules Animals: hemoglobin (blood protein, carries O2) Some hormones are proteins (e.g. insulin) Some structures are proteins (hair, nails) Nucleic Acids Polymers of nucleotides (A sample nucleotide) Carbohydrates Monosaccharides, a.k.a Disaccharides, a.k.a Polysaccharides, a.k.a Carbohydrates Monosaccharides ex: GLUCOSE! Glucose: Linear Ring Carbohydrates GLUCOSE Who makes glucose? By what process? Carbohydrates GLUCOSE Who uses glucose? Why? By what process? Where is it broken down? Carbohydrates Disaccharides Carbohydrates (Disaccharides) SUGAR MATH! Lactose = Glucose + Galactose Maltose = Glucose + Glucose Sucrose = Glucose + Fructose Carbohydrates Polysaccharides Extension to Carbohydrates: And now, what about insulin?