Concept explainers
a)
Interpretation:
Whether each of the given structures is
Concept Introduction:
The configurations of carbohydrates are described by the notations “
All the carbon atoms of the chain are represented by the center of the crossing line. The
Almost all the sugars found in nature are
The notations “
b)
Interpretation:
Whether each of the given structures is
Concept Introduction:
The configurations of carbohydrates are described by the notations “
The functional group like ketone group has the lowest possible priority two and the aldehydic group has the lowest priority one.
Almost all the sugars found in nature are
The notations “
c)
Interpretation:
Whether each of the given structures is
Concept Introduction:
The configurations of carbohydrates are described by the notations “
The functional group like ketone group has the lowest possible priority two and the aldehydic group has the lowest priority one.
Almost all the sugars found in nature are
The notations “
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Organic Chemistry (8th Edition)
- Which of the following is TRUE about amylopectin? - it is a linear polysaccharide composed of D-glucose - accounts for about 20% by weight of starch accounts for about 80% by weight of cellulose - accounts for about 80% by weight of starch - it is a branched polysaccharide of galactose Refer to the molecular formula for the following fatty acids: A. CH3(CH2)10CO2H B. CH3(CH2)12CO2H C. CH3(CH2)14CO2H D. CH3(CH2)16CO2H Е. СН3(СH2)18СО2Н Which of the following statement is TRUE? - Fatty acid C could have the lowest melting point. Fatty acid A could have the highest melting point. - Fatty acid E could have the highest melting point. - Fatty acid D could have the lowest melting point. Refer to the structures of carboxylic acid and derivatives. If pure compound B reacts with pure water, which of the following statements is TRUE? H,N CH3 H,C CH, H,C" CH3 CH A. B D E The product of the reaction is compound A. The product of the reaction is compound C. The product of the reaction is compound D…arrow_forwardA triglyceride can be optically active if it contains two or more different fatty acids.(a) Draw the structure of an optically active triglyceride containing one equivalent of myristic acid and two equivalentsof oleic acidarrow_forward1. Some marine plankton contain triacylglycerols formed from the polyunsaturated fatty acid (PUFA) such as: CH3CH2CH=CHCH2CH=CHCH2CH=CHCH2CH=CHCH2CH=CHCH2COOH a) Draw the skeletal structure of the given PUFA showing the preffered stereogenic arrangement for a naturally-occuring lipid at each double bond. b) Write the systematic name of the fatty acid. c) What type of omega-n acid is this fatty acid? d) Would you expect this fatty acid to be a soild or liquid at room temperature?arrow_forward
- Draw structures corresponding to the following IUPAC names: (a) cis-1,2-Cyclohexanedicarboxylic acid (b) Heptanedioic acid (c) 2-Hexen-4-ynoic acidarrow_forwardQ3: 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 10AngiotensinlIarrow_forwardHow many constitutional isomers are possible for a triglyceride containing one molecule each of palmitic acid, oleic acid, and stearic acid? (b) Which of these constitutional isomers are chiral?arrow_forward
- y Kettering College of Medical Art X E9 Dashboard X o Chem101 i app.101edu.co Question 22 of 24 Disaccharides are described by the position of the anomeric carbon and the numbering of the atoms involved in the glycosidic bond. Identify the type of linkage present in lactulose, a disaccharide used in the treatment of constipation. HOH,C но OH A) a-1,2 B) a-1,4 CH2OH CH,OH C) B-1,2 OH D) B-1,4 OH OH E) B-1,6 9 f 10:47 P P Type here to search O HI 11/1/202 A- F2 Esc DIR PrtSc Insert Delete F1 F3 F4 FS F6 F7 FI0 F8 F9 F10 F11 F12 %23 & Backsc 2 3 4. 5 6 8 %3D W E T Y U Rarrow_forward25. Which of the following statements regarding the physical properties of triacylglycerol is FALSE? -In general, the melting point of a triacylglycerol increases as the degree of unsaturation increases. -In general, the melting point of a triacylglycerol decreases as the degree of unsaturation increases. -In general, the melting point of a triacylglycerol increases as the number of carbons in the hydrocarbon chain increases. -In general, triacylglycerol with saturated fatty acids are solids are room temperature.arrow_forwardIndicate whether each statement is true or false: (a) Trans fats are saturated. (b) Fatty acids are long-chain carboxylic acids. (c) Monounsaturated fatty acids have one CC single bond in the chain, while the rest are double or triple bonds.arrow_forward
- The structural formula for the open-chain form of galactose is CH Н—ҫ—ОН Но—С—н НО—С—Н Н—ҫ—ОН CH-ОН (a) Is this molecule a sugar? (b) How many chiral carbons are present in the molecule? (C) Draw the structure of the six-member-ring form of this molecule.arrow_forwardDraw structures corresponding to the following IUPAC names: (d) 4-Ethyl-2-propyloctanoic acid (e) 2-Cyclobutenecarbonitrilearrow_forward1- Starch is a saccharide. a) reducing b) branched chain c) B-glucose straight chain d) oligo 2- The branching in the linkage between a) amylose; C1-C4 b) amylose; C1-C6 c) amylopectin; Ci-C4 d) amylopectin; C1-C6 3- The general formula of polysaccharides is: (A) (C6H10O5)n (B) (C6H12O5)n (C) (C6H10O6)n (D) (C6H10O6)n 4-The Ribose structure of fructose is obtained by the interaction of groups at component of starch occurs by the glycosidic carbons. which carbon atoms? a) C1 and C5 b) C1 and C6 c) C1 and C4 d) C2 and C5 5-. Lactose does not form homo disaccharides? a) True b) False 6- Which of the following glycosidic linkage found in maltose? a) Glucose (a-1 – 2B) Fructose b) Glucose (a1– 4) Glucose c) Galactose (B1– 4) Glucose d) Glucose (B1 – 4) Glucosearrow_forward
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