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In nucleic acids, the repeating order of components is:

1. phosphate - base - sugar
2. sugar - base - phosphate
3. base - sugar - phosphate
4. base - phosphate - sugar

Correct answer: sugar - base - phosphate

Solution

The correct order of components in nucleic acids is sugar, base, and phosphate, as this sequence reflects the structure of nucleotides, which are the building blocks of nucleic acids like DNA and RNA.

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