© Macmillan Learning ✰ achieve.macmillanlearning.com X 3 Chapter 12 HW - General, Organic, and Biological Chemis Most of the body's excess nitrogen is excreted as urea. Draw urea. Select Draw Templates More C H 0 N DEC 4 M Ը ال L Resources Erase Q26 A O

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8. From Figure 3, identify the noncovalent force that dominates between the two interacting functional groups indicated by the blue letters d. а. b. е. С.

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C Rank The Following Fatty Acid xGWhich of the following fatty ac x + O * * M app.101edu.co tn Readin G calculator - Googl Imail O YouTube O Maps a AMAZON D Translate A Gfights b BATERBLY O CHEGG > KATAPULK CUBA A SUPERMARKET23 4 Essay Writing Ser. Subr Question 5 of 21 Which of the following fatty acids is predicted to have the highest melting point? A) CH,(CH,),COOH B) CH,(CH,),COOH C) CH,(CH,),,COOH D) CH,CH,CH=CH(CH,),COOH E) CH,CH,CH=CHCH=CHCOOH MacBook Pro 3 4 5 8 E R T Y U G J K retur > 7. N M Gomrnd MOSISO command option Guiz

Choose the best classification for the molecule shown below. OH NH A) glycerophospholipid B) fatty acid C) steroids D) triglyceride E) sphingolipid

ČH2OH СНО СНО CHO CHO HO -H- H OH но H OH HO+H H FOH H OH H OH HO H OH H- H- Но HO- H- -HO- Но HO- Но ČH2OH CH2OH ČH,OH ČH2OH а. b. С. d. 15. Which of the following statements describes lipids? Lipids all have the steroid backbone. The body stores excess calories as lipids. Lipids are insoluble in water, but soluble in nonpolar solvents. Lipids are soluble in water, but insoluble in nonpolar solvents. Lipids are insoluble in all solvents. a. b. С. d. е.

Q3: Use arrows to match the terms (A) column with (B) column. Some may be used more than once and others not at all. 1- Tirglyceride 2- Glycogen 3- Sphingomyelins 4- Membranes 5- Starch 6- Proteins 7- Cholesterol 8- Lactose B a- contain glycerol backbone b- glucose é- amino acids d- esters of fatty acids e- octapeptide f- disaccharide g- polysaccharide K- compound lipids i- steroid-like j- lipids k- polar lipids + glucose storage in animals 9- Waxes 10AngiotensinlI

31. Match these molecules with their biological roles. (a) glycogen __ viscosity, lubrication of extracellular secretions (b) starch __ carbohydrate storage in plants (c) trehalose __ transport/storage in insects (d) chitin __ exoskeleton of insects (e) cellulose __ structural component of bacterial cell wall (f) peptidoglycan __ structural component of plant cell walls (g) hyaluronate __ extracellular matrix of animal tissues (h) proteoglycan __ carbohydrate storage in animal liver 32. Explain in molecular terms why humans cannot use cellulose as a nutrient, but goats and cattle can.