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KVPY Sample Paper KVPY Stream-SX Model Paper-3

  • question_answer
    Bacterial cell wall is composed of peptidoglycan, a complex of oligosaccharide and proteins. The oligosaccharide component consist of

    A) Linear chain of alternating NAG and Nam linked by \[\alpha (1-4)\] linkage.

    B) Linear chains of alternating NAG and NAM linked by \[\beta (1-4)\] linkage.

    C) Linear chain of glucose linked by \[\beta (1-4)\] linkage.

    D) Linear chain of glucose linked by \[\alpha (1-4)\] linkage

    Correct Answer: B

    Solution :

    [b] The oligosaccharide component of bacterial cell wall consists of linear chains of alternating NAG and NAM linked by\[\beta \](1-4) linkage.


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