Question

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

Explanation:

Phoebus Levene identified ribose and deoxyribose. He made significant contributions to understanding the components of nucleic - acids. The extraction and observation of DNA was done by others, the recognition of RNA as DNA's messenger was a later discovery, and the construction of an accurate DNA model is credited to Watson and Crick.

Answer:

B. identification of ribose and deoxyribose