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Name ______________________________ Class ___________________ Date __________________ Skills Worksheet Biochemistry In the space provided, write the letter of the description that best matches the term or phrase. ____ 1.organic compound a. the way monomers link together to form polymers b. stores energy in its bonds c. compounds made primarily of carbon atoms d. process used to break down a polymer e. building blocks of DNA f. cluster of atoms that influences the characteristics of a molecule g. building blocks of protein h. place where a substrate fits into an enzyme ____ 2.condensation reaction ____ 3.ATP ____ 4.amino acids ____ 5.functional group ____ 6.active site ____ 7.hydrolysis ____ 8.nucleotides Complete each statement by writing the correct term or phrase in the space provided. 9. A(n) ______________________ is a substance on which an enzyme acts during a chemical reaction. 10. An organic compound with a ratio of one carbon atom to two hydrogen atoms to one oxygen atom is a(n) ______________________. 11. Glucose is a(n) ______________________ that is a major source of energy in cells. 12. A(n) ______________________ is an organic compound that is not soluble in water. 13. A(n) ______________________ is a long chain of amino acids. 14. Subunits of DNA and RNA are called ______________________. 15. DNA is a(n) ______________________ ______________________ that contains genetic information. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 5 Biochemistry Name ______________________________ Class ___________________ Date __________________ Biochemistry continued In the space provided, explain how the terms in each pair differ in meaning. 16. peptide bond, polypeptide _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 17. fatty acid, lipid _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 18. enzyme, active site _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 19. monosaccharide, disaccharide _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 20. DNA, RNA _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 21. ATP, carbohydrate _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 6 Biochemistry