Which of the following is not a characteristic of an isoprene unit? Alternate triple bonds Five Carbons Branched O Double bonds
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- _______ groups are the acid part of amino acids and fatty acids. a. Hydroxyl (OH) b. Carboxyl (COOH) c. Methyl (CH3) d. Phosphate (PO4)The following chemical reactants produce the ester ethyl ethanoate (C4H8O2): C2H6O + CH3COOH What type of reaction occurs to make ethyl ethanoate? condensation hydrolysis combustion acid-base reactionEach carbon atom can bond with as many as _________ other atoms.
- The synthetic process by which monomers are covalently linked is (a) hydrolysis (b) isomerization (c) condensation (d) glycosidic linkage (e) ester linkageWhich of the following sites represents the anomeric carbon? о ОН B С с A E C A D CH3OH ОН ОН E OHWhich of the following differentiates amylose with cellulose? The two polysaccharide have different designation of glycosidic linkage O The two polysaccharide have different monosaccharide units O The two polysaccharide have different orientation of their branches. O None of the above, they are equally the same.
- Which of the following terms correctly describes the relationship between D-fructose and L-fructose? O epimers diastereomers O enantiomers O cis-trans isomersWhich of the following functional groups do NOT contain a carbonyl? Select all that apply. amide ketone O aldehyde etherWhich of the following organic compound doesnot dissolve in water? glycerol propane propanoic acid propanol H H-C Н Н H-с-с-с Н- OH HICIH H-C c-c 1 Н OH H -+ Н HICIH H Н H H C C H H OH 5-о-т OH -C-H -H OH
- What type of glycosidic bond does the shown disaccharide have? но CH,OH O CH,OH O но. OH HO- OH wOH alpha (1 to 2) alpha (1 to 4) beta (1 to 2) beta (1 to 4)Which of the following statement/s islare correct about the major structural difference between starch and cellulose? 1 Identity of the monosaccharide unit 2 Gycosidic linkage type 3 Number of monosaccharide units 4 Ring size of the monosaccharide unit present * O 1& 2 O 1 & 4 O 2 & 3 O 2 & 4 O 123 O 234Which of the following has a phosphoanhydride bond? Select all that apply. n A of of най OH OH о B Ш n A NH E B но- OH OH OH D SH C новови зазд CH3 Н ОН H₂N HO-P-O-P-O-P-OH OH NH₂ ОН ОН SH