The two strands of DNA are held together by ________; thus ________
A) covalent bonds; double-stranded DNA is very stable at a range of temperatures
B) ionic bonds; double-stranded DNA separates into two separate strands in water
C) hydrogen bonds; double-stranded DNA separates into two separate strands at high temperatures
D) antiparallel bonds; double-stranded DNA is amphipathic
E) hydrophobic interactions; double-stranded DNA separates into two separate strands when dissolved in a hydrocarbon (hydrophobic) solvent
Answer: C
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