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24 February, 15:47

What are the basic building blocks of DNA and RNA? A. nucleotides B. phosphorous C. proteins D. sugar

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  1. 24 February, 17:48
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    (A). Nucleotides

    Explanation:

    The nucleotides are the basic unit in formation of DNA and RNA. The both nucleic acids contain nucleotides with different nitrogenous bases. The nucleotide consist of ribose sugar, phosphate and a nitrogenous base.

    The ribose sugar is present in the RNA and deoxyribose in the DNA. In the absence of phosphate group, the ribose sugar and nitrogenous base forms a nucleoside.
  2. 24 February, 19:37
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    Answer is option A. nucleotides
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