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Biology, 21.01.2021 18:30 SophomoreSareke

Students are given data from an investigation that identified some of the chemical elements present in four different samples Elements Present in Samples
Sample
Elements
1
2
Hydrogen, phosphorus, and nitrogen
Aluminum, silicon, and copper
Calcium, potassium, and nitrogen
Iron, oxygen, and magnesium
3
4
Which sample was most likely DNA?
Sample 1
Sample 2
Sample 3
Sample 4

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