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Refer to Animation: Base Pairing and Stacking. We identify nucleic acid strand orientation on the basis of important chemical functional groups. These are the ________ group attached to the 5' carbon atom of the sugar portion of a nucleotide and the __________ group attached to the ___ carbon atom

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Answer:

1) Phosphate

2) Nitrogen bas

3) First carbon

Explanation:

In base pairing and stacking of nucleic acid strand, we have nitrogen base pair, pentose sugars, and phosphate groups.

The phosphate group is attached to the 5' carbon atom of the sugar portion of a nucleotide and the nitrogen group is attached to the first carbon atom of the sugar potion of the nucleotide.

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