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Name:____________________________________________________Date:__________Period:____ Biology Homework 1-2: Biomolecules 1. Like complex carbohydrates, proteins are biomolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates have which of the following? a. polymers of smaller subunits b. sequence of sugars c. lipids of large molecules d. nucleotides of DNA 2. An enzyme speeds up chemical reactions, therefore, it is considered what kind of polymer? a. carbohydrate b. lipid c. protein d. nucleic acid 4. What are the functions of triglycerides in living organisms? a. store energy b. store genetic material c. primary source of energy d. speed up chemical reactions 5. A nucleotide consist of aa. sugar b. nitrogenous base c. phosphate d. all of these above 6. Vocabulary. Match the following words with its correct definition. _____ Amino acid _____ Polymer _____ Monomer 7. a. monomer of proteins b.also considered subunits, building blocks, small molecules c. large molecule made of many single molecules Label the following biomolecules (word bank: carbohydrates, lipids, nucleic acids, proteins) 8. Fill in the chart below A. Secondary source of energy used for long term energy storage, cell A. Build and repair Tissue, control chemical reactions as enzymes B. C. D. E. F. Oil, waxes, and fat membrane structure. B. C. D. E. F. G. Glycerol and fatty acids. Sugar, starch. Amino acids Store genetic information for making protein. Monosaccharides/polysaccharides Primary source of energy Amino acids Muscle Nucleotide DNA, RNA Biomolecule Monomer Example Function Protein Carbohydrate Nucleic Acid Lipid Short Answer. 9. How does the structure of lipids differ from all other biomolecules? Justify your answer. _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ __________________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 10. In your PE class, your next assignment will be to run a mile. What types of food would you want to eat prior to going to class? Justify your answer. _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ __________________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 11. Compare and contrast proteins and nucleic acids. What do these polymers have in common? Differences? Justify your answer. _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ __________________________________________________________________________________ _________________________________________________________________________________________________________ _________________________________________