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Home Q & A Board Biology-Related Homework Help Cell Biology
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winterw0lf winterw0lf
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6 years ago
A double-stranded DNA molecule can be separated into single strands by heating it to 90C because _______________________.
 
  (a) heat disrupts the hydrogen bonds holding the sugarphosphate backbone together.
  (b) DNA is negatively charged.
  (c) heat disrupts hydrogen-bonding between complementary nucleotides.
  (d) DNA is positively charged.
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elizabethxo1elizabethxo1
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6 years ago
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winterw0lf Author
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6 years ago
Thanks
Shuqin
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Yesterday
Good timing, thanks!
Liarec
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2 hours ago
Smart ... Thanks!
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