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How many components are present in the basic unit of DNA?(a) One(b) Two(c) Three(d) FourI had been asked this question in quiz.My question is from Molecular Basis of Inheritance in division Molecular Basis of Inheritance of Biology – Class 12

Answer»

Correct answer is (c) Three

Explanation: There are three COMPONENTS in the basic unit of DNA which is also known as a nucleotide, and they are:

i. A nitrogenous base: PURINE or pyrimidine

ii. A pentose sugar: Deoxyribose sugar

iii. Phosphate GROUP.



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