The Exact Path That Led to the Evolution of Modern

question 50

Multiple Choice

The exact path that led to the evolution of modern cells and the organic molecules contained in these cells to support life is not known. The best guess is that some sort of self-replicating organic molecule formed along mudflats and most likely resembled

• A) single-stranded DNA.
• B) single-stranded RNA.
• C) small amino acids such as lysine and glycine.
• D) double-stranded DNA.
• E) ATP.