Lipid Review Worksheet with Handwritten Answers, Exercises of Biology

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> __—_] Lipids Review Worksheet Name: Ss What elements do lipids contain? I ¢,H,0 (sometimes P) 2. How can you tell a lipid from a carbohydrate from its molecular formula? ratio of H:0 is NOT 2°] (Uowally way le55 0) 3. Draw a molecule of glycerol and circle the -OH (hydroxyl) groups. rai H oH HY t ! t Wee (oh oH OH) 4. List three differences between saturated fatty acids ai unsaturated fatty acids. no eae 4 er more C=C Sen eames weuedly Liquid ef room temp usually animal Sou! usually plant Source 5. How are triglycerides and phospholipids similar? Different? both form ‘through condensation rxn between fF, ana hyeerot. Triglycerides have B Fatty acids; phospholipid have 2 plus a Phosphate group. *, 6. same twcorampbs Garis BYRENIMEUS ee 3 i 2 cholesterol, estrogen, testosterone 7. Complete the equations: fatty acids +__|_ glycerol > 1 triglyceride + 3_rabew 8. Sketcha n molecule that is aGtraigh} chain, containing{five}carbons atoms and twelve hydrogen atoms, molécular formula CSH12. No double bonds just S% and carbons Be ete et AN wac-g—-¢— FH okeletalt— # H WH KH H 9. Sketch another five-carbon hydrocarbon, but this time include one double bond. What is the molecular formula of this molecule? 7-H, “Peeuld be anywhere, H ou H y although usually nok at end | | | t of aukas bis 7 Im H#—-¢c— ws cSe- ea ckeletal fH H H 4 ¥ this io trans, Hs of te 40. Sketch a fatty acid chain with only four carbon atoms. What is the molecular formula of this molecule? draus ets. ° i . - 0k. +0 Flip > : : Tro eS C= Baie oe “mine i6 Saturated. oi : | t | Cy Hg, | Skeletal carboxy! H 4 acids methyl