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Which of the following is not a part of the nucleotide?

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in Biology – Class 12 by (271k points)
Which of the following is not a part of the nucleotide?

(a) Phosphate group

(b) Nitrogenous base

(c) Pentose sugar

(d) Guanosine

This question was addressed to me in a job interview.

This interesting question is from Structure of a Polynucleotide Chain topic in portion Molecular Basis of Inheritance of Biology – Class 12

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Correct choice is (d) Guanosine

To explain I would say: Guanosine is the structural component of RNA. Guanosine is a purine adenosine. It has some neuroprotective properties. The other three are the backbone of the nucleotide in the DNA.

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