11. Using the information from above, is a carbohydrate or a lipid more likely to be a good source of energy for an organism? R H N C O OH H H C R H N C O OH H H C R H N C H H O C R H NH C O OH + Amino acid 1 Amino acid 2 Dipeptide + H 2 O O OH H H H O H OH H OH H OH O H O H OH H CH 2 OH OH CH 2 OH H O H H H O H OH H OH H OH O O H O H OH H CH 2 OH CH 2 OH H + Glucose Fructose + H 2 O Sucrose C. C O (CH 2 ) 14 CH 3 O H C C H H H OH C H H O C CH 3 O OH + C C H H O C H H O C CH 3 O OH H (CH 2 ) 14 CH 3 Monoglyceride Fatty acid + H 2 O Dipeptide Fatty acid Amino acid 1 Amino acid 2 Monoglyceride Fructose
12. What are the reactants of reaction A? 13. What are the products of reaction A? 14. Each of the reactants in reaction A is a single sugar molecule, also called a monosaccharide. What prefix before saccharide would you use to describe sucrose? 15. What are the reactants of reaction B? 16. When the two molecules in reaction B are joined together, what other two molecules are pro-duced? 17. What product do all three reactions in Model 2 have in common? 18. On the diagrams in Model 2, circle and label the glycosidic, peptide, and ester bonds. 19. These reactions are all referred to as dehydration synthesis or condensation reactions. With your group develop an explanation for why these terms are used to describe these reactions.
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