Question

Which of the following discoveries is most crucial to explaining why all organisms share the same genetic code?

Fossilized bacteria over 3.5 billion years old

Microspheres' similarities to modern meteorites

RNA's ability to self-catalyze

DNA's ability to absorb carbon molecules

Answer 1

@duneybear

Answer 2

@dom1

Answer 3

b

Answer 4

do you know why? or was that a guess?

Answer 5

the most important discovery would be that of DNA as all living organisms (at least on earth) share this molecular basis. Although i don't see it listed.

Answer 6

out of the one's listed, i would go with the fossils.

Answer 7

i guess fossils.. and thats not it :( @aaronq

Answer 8

Then RNA is next probable option.

Because "DNA's ability to absorb carbon molecules" does not make sense.

Answer 9

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