Both bases need to twist hard to facilitate the hydrogen bond which is energetically expensive event; thus hydrogen bonds forming functional groups are not complementary in adenine and cytosine
The correct answer is B.
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Helps to classify the immense diversity of life
Answer:
The hawk is the most predatory animal that you have listed, the frog is most likely second, and the caterpillar is third. The tree only really consumes carbon dioxide.
Explanation:
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