Punjab Medical Punjab - MET Solved Paper-2006

  • question_answer
    One of the nucleotide of DNA:

    A)  adenine

    B)  deoxyadenylic acid

    C)  adenosine

    D)  deoxyuridine phosphate

    Correct Answer: B

    Solution :

    DNA is a polymer of nucleotides which comprises nitrogen base (A, G, T, C), sugar (dexyribose) and phosphoric acid the four types of nucleotides present in DNA as follows.
    Deoxynucleoside\[+{{H}_{3}}P{{O}_{4}}\] Deoxyribonucleotide Abbreviation
    Deoxyadenosine\[+{{H}_{3}}P{{O}_{4}}\] Deoxyadenylic acid \[d-AMP\]
    Deoxyguanosine\[+{{H}_{3}}P{{O}_{4}}\] Deoxyguanylic acid \[d-GMP\]
    Deoxycytidine\[+{{H}_{3}}P{{O}_{4}}\] Deoxycytidylic acid \[d-CMP\]
    Deoxy thymidine \[+{{H}_{3}}P{{O}_{4}}\] Deoxythymidylic acid \[d-TMP\]


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