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Class 10 Biology Exam Prep: Certification Test 809

DNA Structure Notes App & e-Book: MCQ 809

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MCQ: 809

Considering the Deoxyribonucleic Acid (DNA) structure, the backbone outside the double helix is made up of

  1. sugar and nitrogen
  2. nitrogen and carbon
  3. phosphate and sugar
  4. phosphate and nitrogen

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DNA Structure Exam Prep: Class 10 Biology App & eBook Notes

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