Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer Which one of the following is correct for structure of cell wall of fungi and bacteria?       

    A)  Both have glycopeptide

    B)  Both are made up of N-acetyl glycosamine

    C)  Both are made up of N-acetyl muramic acid

    D)  Both are made up of chitin

    Correct Answer: B

    Solution :

    In bacteria, cell wall is made up of polysaccharide, proteins and lipids. In the cell wall of bacteria, there are two important sugar derivatives are found, ie, NAG and NAM (N-acetyl glucosamine and N-acetyl muramic acid) and besides L or D-alanine, D-glutanic acid and diaminopimelic acid are also found. The cell wall of fungi is mainly made up of chitin and cellulose. While chitin is a polymer of N-acetyl glucosamine, the cellulose is a polymer of d-glucose.

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