Q. What holds the sides of the DNA ladder together?
A) Ionic bonds
B) Polar covalent bonds
C) Covalent bonds
D) Metallic bonds
✔ Correct Answer: Covalent bonds
Exam Insight
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A) Ionic bonds
B) Polar covalent bonds
C) Covalent bonds
D) Metallic bonds
✔ Correct Answer: Covalent bonds
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