Scientists suspect that the first macromolecules to form when cells first arose were:
A)polysaccharides
B)DNA
C)RNA
D)enzymes

Name: Scientists suspect that the first macromolecules to form when cells first arose were: A)polysaccharides B)DNA C)RNA D)enzymes
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Scientists believe that RNA was the first macromolecule to arise because it can both store genetic information and catalyze chemical reactions (like enzymes). RNA may have eventually been replaced by DNA as the primary genetic material in cells.

Scientists Suspect That the First Macromolecules to Form When Cells