Which statement correctly compares nucleic acids and carbohydrates?
a)they both contain phosphorus, but only nucleic acids contain hydrogen.
b)they both contain carbon, hydrogen, and oxygen in a 1: 2: 1 ratio.
c)they both contain carbon, but only carbohydrates contain oxygen.
d)they both contain carbon, but only nucleic acids contain phosphorous

The correct answer is D) They both contain carbon, but only nucleic acids contain phosphorous.

Nucleic acid includes DNA ( deoxyribonucleic acid) and RNA ( ribonucleic acid). They are composed of small units called as nucleotides, which includes nitrogenous base, phosphate group, and a 5- carbon sugar ( deoxyribose in  DNA and ribose in RNA).

On the other hand, carbohydrates are large group of organic compounds, which are composed of carbon, hydrogen, and oxygen.

Thus, both contain carbon, but only nucleic acids contain phosphorous is the right answer.

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