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Biochemistry ACS Final Exam 100% Correct Answers Verified Latest 2024 Version

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Biochemistry ACS Final Exam | 100% Correct Answers | Verified | Latest 2024 Version What is the D configuration of a sugar in a Fisher projection? - chyrol carbon furthest from the carboxyl group hydroxyl on right What is the L configuration of a sugar in a Fisher projection? - hydroxyl on lef...

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  • June 15, 2024
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Biochemistry ACS Final Exam | 100% Correct
Answers | Verified | Latest 2024 Version
What is the D configuration of a sugar in a Fisher projection? - ✔✔chyrol carbon furthest from the
carboxyl group



hydroxyl on right



What is the L configuration of a sugar in a Fisher projection? - ✔✔hydroxyl on left



What is the difference between glycogen and amylopectin? - ✔✔glycogen- has branches about every 10
residues (more highly branched)



amylopectin- has branches about every 25



What is amylose made up of? - ✔✔glucose



What makes up starch? - ✔✔amylose

amlyopectin



What is a glycosidic bond? - ✔✔links two monosaccharides together at points 1 and 4



What is the difference between an alpha(1-4) and beta(1-4) linkage? - ✔✔alpha: when the oxygen is
pointed down in a glycosidic bond



beta: when the oxygen is pointed up in a glycosidic bond



What is the definition of a carbohydrate? - ✔✔all have hydroxyl and carbonyl functional groups

, Difference between aldose and ketose - ✔✔aldose has an aldohyde



ketose has a ketone



What makes up sucrose? - ✔✔fructose and glucose monosaccharides



What makes up lactose? - ✔✔glucose and galactose monosaccharides



What makes up mannose? - ✔✔two glucose monosaccharides



What are lipids? - ✔✔soluble in other nonpolar solvents (not water)



What are triglycerides composed of? - ✔✔glycerol and three fatty acids



What is saponification? - ✔✔base hydrolysis of a triglyceride or other fat



strong base is added



breaks ester linkages to release hydroxyls and form glycerol



What has a higher level of unsaturation -- oils or fats? - ✔✔oils



liquid at room temperature



What is the structure of the plasma membrane? - ✔✔hydrophylic head

hydrophobic fatty acid tails

proteins span the phospholipid bilayer

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