Question

question 3 dok 1 aligned standards 5 points when did researchers make discoveries about dna? move each event to the year of its discovery. 1869 1889 1919 drag each item to the correct category above. while studying proteins, mieschner first discovered nuclein. altmann observed that nuclein behaved like other acidic substances. levene identified the basic parts of a nucleotide, including a sugar, phosphate group, and a nitrogen - containing base. save draft

Explanation:

Answer:

1869: While studying proteins, Mieschner first discovered nuclein.
1889: Altmann observed that nuclein behaved like other acidic substances.
1919: Levene identified the basic parts of a nucleotide, including a sugar, phosphate group, and a nitrogen - containing base.