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This was hailed as strong evidence for the RNA world.
The RNA world may therefore have been much richer in variety than scientists had supposed.
The RNA world hypothesis, if true, has important implications for the definition of life.
This remarkable concept is known as the RNA world hypothesis.
Studies of the RNA World suffer from the same problem.
The RNA world does away with this apparent dilemma.
He was also the originator of the RNA world hypothesis in 1977, although not by that name.
This study makes the RNA world hypothesis more plausible.
Thus, the model is viewed as an alternative or an ancestor to the RNA world hypothesis.
Another sign of the robustness of the RNA world hypothesis.
The RNA World also implies the existence of several enzymes.
There are also theories that are in direct conflict to the RNA world hypothesis.
Ligase ribozymes may have been part of such a pre-biotic RNA world.
See RNA world hypothesis for related information.
In 1986, Gilbert used the phrase RNA world hypothesis for the origin of life.
The fact that RNA world constitutes pre-proteinous genes doesn't mean it is pre-biometabolism.
"I'd love nothing more than for us to find a thriving RNA world there," says Bada.
This suggests that one possible natural original source for uracil in the RNA world could have been panspermia.
Proof at hand: the RNA world.
We'll probably never be able to know conclusively how life began, but the RNA World hypothesis seems to get stronger every year.
He continues to explore the "RNA World" hypothesis, trying to create these organisms from scratch.
Self-splicing may also be very ancient, and may have existed in an RNA world present before protein.
His model is known as the iron-sulfur world theory by analogy with the RNA world hypothesis.
"By the year 2000, I started to pay more attention to fundamental questions related to the origin of life" (RNA world hypothesis).
This may mean that ribosomes or more widely the RNA world wasn't the first player in the protometabolic world.
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