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Organic Macromolecules Review Ch. 2 Macromolecule Review What elements are present in ALL organic macromolecules? Carbon (makes them organic), hydrogen and oxygen Fill in the chart below WITHOUT using your notebook. Macromolecule Sub-unit Carbohydrate Monosaccharide Protein Lipid Nucleic Acid Amino acid Fatty acids, glycerol Nucleotide Example & Drawing Glucose Transport Protein Saturated Fat DNA, RNA Uses Energy storage Regulatory functions (enzymes, etc) Long-term energy storage Stores genetic information Where do we get macromolecules? We eat food composed of macromolecules, then our body breaks them down to transport through our body, and reassembles the sub-units into macromolecules when the destination cell is reached. What is each picture showing? Give evidence to support your claim. A protein: we use shapes to represent the different amino acids A chain of glucose: the hexagon mimics the chemical structure of glucose One of these pictures shows a saturated fat, while the other shows the amino acid lyseine. How can you figure out which is which? Give your evidence for BOTH pictures. The top picture shows a saturated fat: there are no double carbon bonds and it is a chain of C, H, and O. The picture on the right shows an amino acid. It also has a chain of C, H, and O, but it contains nitrogen so we know it has to be a protein. What is the difference between a glucose molecule and a monosaccharide? A glucose molecule is a specific type of monosaccharide. A monosaccharide is a single sugar, so it could also mean ribose (a 5-carbon sugar found in nucleic acids). Practice your DNA bonding pairs by creating the complementary (other) strand of this double helix. A G T C G C C G T A C C A G A T G G T C T A Remember, A always binds with T and C always binds with G. Look at your DNA structure notes (in your science notebook) for a refresher.