The RNA world hypothesis proposes that the world may have been filled with RNA-based life before it was filled with DNA-based life. This hypothesis is based on which of the following observations?
a) RNA enzymes can link together nucleotides.
b) RNA is abundant in living organisms.
c) RNA has the ability to catalyze chemical reactions like proteins.
d) RNA can store information like DNA.
e) All of these observations support the RNA world hypothesis.
Ans: e) All of these observations support the RNA world hypothesis.
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