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cricket20 [7]
3 years ago
11

I need help on those two questions

Biology
1 answer:
Romashka [77]3 years ago
4 0
6-C (breaks off)
7-C(they secrete acid that breaks away rocks)
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Answer:

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The polar molecules of sugar can produce hydrogen bonds with the surrounding molecules of water. The negatively charged phosphate group associate with the positively charged ions. The nonpolar nitrogen bases are found within the molecule and associate favorably through stacking interactions.  

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