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The chemical bond that holds the bases of the two strands of DNA together is

Biology
WAEC 2018

The chemical bond that holds the bases of the two strands of DNA together is

  • A. oxygen bond
  • B. hydrogen bond
  • C. electrovalent bond
  • D. covalent bond
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Correct Answer: Option B
Explanation

Hydrogen bonds form between the nitrogenous bases in one strand and the nitrogenous bases in the other strand of DNA;

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709