Which of the following forces contribute to the stability of a DNA double helix?
A. hydrophobic interactions of bases in the same strand
B. hydrogen bonding between bases in adjacent strands
C. ionic interactions between the positively charged component of one base and the negatively charged component of the neighboring base
D. hydrophobic interactions of bases in the same strand and hydrogen bonding between bases in adjacent strands
E. hydrophobic interactions of bases in the same strand, hydrogen bonding between bases in adjacent strandsand ionic interactions between the positively charged component of one base and the negatively charged component of the neighboring base
Answer: D
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