Question

dna and rna structure
quiz complete
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which discovery is attributed to phoebus levene?
extraction and observation of dna
identification of ribose and deoxyribose
recognition of rna as dnas messenger
construction of an accurate dna model

Explanation:

Phoebus Levene is known for his work on nucleic acids. He identified ribose (in RNA) and deoxyribose (in DNA). The extraction and observation of DNA was done by others (like Miescher). The recognition of RNA as DNA's messenger is a later discovery related to gene expression processes. The construction of an accurate DNA model was by Watson, Crick, Franklin, and Wilkins.

Answer:

identification of ribose and deoxyribose