BCECE Medical BCECE Medical Solved Papers-2004

  • question_answer
    Number of carbons in ring of deoxyribose sugar is:

    A)  four            

    B)  five

    C)  six             

    D)  three

    Correct Answer: B

    Solution :

    Monosaccharides are simplest sugars and can be triose, tetrose, pentose, hexose, heptose for 3, 4, 5, 6 and 7 C-atom containing sugar respectively. Triose: Glyceraldehyde, Dihydroxyacetone Tetrose: Erythrose, Threose Pentoses: Ribose, Deoxyribose, Ribulose Hexoses: Glucose, fructose, mannose, Galactose


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