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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Which of the following molecule represent the given structure?

Options

  1. AMonosaccharide that is present in animal starch
  2. BMonosaccharide that is present in inulin
  3. CMonosaccharide that is present in the genetic material of tobacco mosaic virus
  4. DMonosaccharide that is present in the genetic material of lambda bacteriophage

Correct answer

C. Monosaccharide that is present in the genetic material of tobacco mosaic virus

Step-by-step solution

The given structure is of ribose sugar which is a 5C sugar. This sugar is part of the nucleic acid -RNA found in the genetic material of the tobacco mosaic virus. It has a pentagonal cyclic structure formed by binding of the carbon 1 and 4 attached by an oxygen atom. Deoxyribose sugar found in DNA (which is the genetic material of bacteriophage) differs from ribose sugar in the absence of 'O' atom on the 2nd C atom. Monosaccharide present in animal starch (glycogen) is glucose which has a hexagonal ring (pyranose r

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