Question 12

(Multiple Choice)

Which of the following results, if found on ancient meteorites, would suggest that meteorites were NOT the source of amino acids that contributed to the origin of life on Earth?


A) the absence of amino acids
B) the presence of only D-isomers of amino acids
C) the presence of up to 80 different amino acids
D) the presence of other organic molecules (e.g., lipids, sugars, and nitrogenous bases) in addition to amino acids

Answer