Identify whether each monosaccharide is an aldose or a ketose. Н НО Н Н НО- CHO ОН H -ОН ОН CH2OH CH2OH H CH₂OH Н НО Н CHO ОН CHO H -ОН CH₂OH н-с ОН CH2OH Н Н Н Н· CH2OH C=0 ОН CH2OH ... CHO ОН ОН ОН CH2OH ....... Но Н Н Н CH2OH c=0 -Н -ОН CH2OH CH2OH О ОН ОН CH2OH
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- Classify each of the following sugar pairs as enantiomers, diastereomers, epimers, or an aldose–ketose pair. a. D-erythrose and D-threose b. D-glucose and D-mannose c. D-ribose and L-ribose d. D-allose and D-galactose e. D-glyceraldehyde and dihydroxyacetoneIn 2-3 paragraphs (must be typed) explain: Discuss the regulation of cholesterol synthesis.Determine whether the following monosaccharides have D or L configuration and classify them based on number of carbons and whether they are aldoses or ketoses: CH2OH CH2OH НО- C=0 C=0 НО- H- H- HO- Н-с-он Н-с-он H- -HO- НО H- H- -HO- НО -с-н CH2OH Но- ČH2OH CH2OH CH2OH
- The anomer of a-D-glucopyranose is CH:OH он ÓH CH2OH он он он он CH,OH он он он он CH,OH он OH он ÓH ÇH;OH он он он онname the oxidation/reduction product for the given monosaccharideWhich of the following differentiates erythrose with erythrulose? O Erythrose has 2 chiral carbon while erythrulose has 1 chiral carbon Erythrose is a pentose while erythrulose is hexose O Erythrose is ketose while eythrulose is an aldose Erythrose bears the ketone group while erythrulose bears the aldehyde group.
- Sorbital sugar has two namesD-Glucose and D-Galactose are A H D C=0 H-C-OH OH C-H H-C-OH H_C-OH CH₂OH D-Glucose ketoses epimers pentoses enantiomers H ... н-с-он OH-C-H он-с-н H-OH CH₂OH D-GalactoseWhich of the following is/are reducing sugar/s?why? A CHOH CHOH CHOH OH OH CHOH OH CH,OH OH OH он C CHOH OH CHOH CHOH HỌ CH2OH OH OH OH OH ÓH u tte Select one: O a. Conly, it is a monosaccharide with a free carbonyl group O b. A and B only, both disaccharides are made from aldoses O C. B, C and D, they have at least one free carbonyl group O d. A and D only, both disaccharides are made from ketosis O. e. B and D, each has a free carboxyl group
- Indicate whether each of the following monosaccharides would be classified as an aldose, ketose, triose, tetrose, pentose, or hexose (each can be classified into two different categories). Which of these sugars would exist predominantly in the cyclic form?The melanocyte-stimulating hormone a-melanotropin has the following sequence: Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys-Pro-Val In the one-letter code of amino acids, this sequence would be: SYSMEHFRWGKPV STSMGHFAWGKPV O SYSMDHFAWGKPV O SYSMEHFAWGLPVI would like to ask the following since I kinda don't clearly understand the concept behind them: 1. What is Dextrin and how does it differ from glycogen and starch? 2. Would acid hydrolysis (addition of conc. HCl) of starch lead to dextrin or glucose monomers? Kindly show the chemical reaction/s and kindly explain in simple terms. 3. Why is starch a non-reducing sugar? How can you easily differentiate reducing sugars from non-reducing sugar?