WAEC Biology 2018 Objective — Question 46
Question 46 of 50 from the West African Examinations Council (WAEC) Biology 2018 Objective paper, with the correct answer and a full explanation.
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The chemical bond that holds the bases of the two strands of DNA together is a
- A. oxygen bond
- B. hydrogen bondCorrect
- C. electrovalent bond
- D. covalent bond
Explanation
The complementary base pairs of DNA are held together by hydrogen bonds.
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