7. In polysaccharides, monosaccharaides are joined by_ B. Glycosidic bond 8. Which of the following is a reducing sugar? B. Erythulos A. Covalent bond C. Glucose bond D. Peptide bond A. Dihydroxyacetone C, Glucose D. Lactose 9. Carbohydrates accounts A. 30% in plants and 20% in animals C. 30% in plants and 1% in animals 10. The general formula of carbohydrate is B. (C4H2O)n B. 30% in plants and 10% in animals D. 50% in plants and 50% in animals C. (CoH2O)n D. (C2H2O)n COOH. A. (CH2O)n 11. The sugar present In milk Is_ A. Glucose 12. Which one of the four classes of blologically important molecules does CELLULOSE belong to? B. Lactose C. Maltose D. Sucrose A. carbohydrates B. lipids C. nucleic acids D. protein 13. Which of the following is a correct pair? A. Glucose : Disaccharide C. Starch : polysaccharide B. Sucrose ; monosaccharide D. Triglyceride : Polysaccharide 14. Which of the following groups are all classified as polysaccharide'? A. glycogen, cellulose and starch B. glycogen, sucrose and maitose C.maltose, lactose and fructose D. sucrose, gluucose and fructose 15. In which organs are glycogen stored in the body? A. liver and bile B. liver and muscle C. liver and spleen D. liver and adipose tissue
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
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