JEE Main Chemistry question

DNA has deoxyribose, a base, and the third compound is:

(A)Phosphoric acidCorrect
(B)Ribose
(C)Adenine
(D)Thymine

Answer: (A)

Solution

Each DNA nucleotide is built from three components: a nitrogenous base, deoxyribose sugar, and phosphoric acid (contributing the phosphate group of the backbone). Ribose is RNA's sugar,

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Question ID VK-150882