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30 May, 16:47

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

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  1. 30 May, 18:12
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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. 30 May, 20:37
    0
    Answer is option A. nucleotides
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