II. Analysis. Given below is a schematic diagram for a simple analysis of a novel tetrasaccharide isolated from a new species of red algae. Analyze each step and the accompanied results of tests, and answer the succeeding questions: A H B H c H 0 a1,4-endoglycosidase treatment A B C Benedict's test: (+) Seliwanoff's test: (-) Fehling's test: (+). Seliwanoff's test: (-) Bial's-Orcinol test: (+) Bial's-Orcinol test: (-) Osazone test: needle- like crystals, 2N HCI, 100°C, 60 mins. D Benedict's test (-) formed 5 mins. conc. HNO3: rhombic crystals Osazone test: broad, flat crystals, Fehling's test: (+) Seliwanoff's test:(+) Bial's-Orcinol test: (-) TLC Profile Osazone test: needle- formed 15 mins. like crystals, formed 2 mins. Fehling's test: (+) rib gal glc fru man xyl

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