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What does life do then? ...it seems reasonable that the earliest forms of life were ic... [i.e.,] they grew from gases... found in normal geological … - Nick Lane
" "What does life do then? ...it seems reasonable that the earliest forms of life were ic... [i.e.,] they grew from gases... found in normal geological environments through an energy flux which is equivalent to cells which we see today, which is to say, what all life does today. There's a very simple phrase from Mike Russell... "hydrogenate CO<sub>2</sub>"... [i.e.,] add onto to make organic molecules. That is the structure of in cells, and different cells can get hydrogen from all kinds places. They can strip it out of water. They can get it from , but it also comes bubbling out of the ground as hydrogen gas, and that seems to be the simplest form of life imaginable as... life on earth. It's reacting hydrogen and CO<sub>2</sub>, and they don't react easily. The way that cells make them react... is to effectively use an electrical charge on a ... [T]here are environments like deep sea s that provide... for free with an equivalent electrical charge across a barrier, and I think... that's the way to see the question.
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About Nick Lane
(born 1967) is a British and writer. He is a professor in evolutionary at University College London. He has published five books to date which have won several awards.
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Additional quotes by Nick Lane
I've had long and sometimes difficult discussions, especially about the singularity of the origin of Eukaryotes... A lot of people don't like that. ...[I]t's not really about what does it say about the probability of life elsewhere, although it has things to say to that. It's really about life on earth, and a lot of people are very uncomfortable with the idea of improbability... I've had quite difficult discussions with some students about that, but rarely... about life elsewhere in the Universe.
That's a question about the meaning of life... Why are we here? What are we doing? What's important to us? Why should we struggle to do anything, and I think most of the answers to those questions lie within society itself. ...I don't see a greater meaning, that we've been put here as a species, that we're exceptional in any way. We're just another species. We're very much similar to pretty much everything else, and I think what we've done that's good has been the achievement of society as a whole... [A] lot of people within society... humans have a need for an origins myth, and that origins myth, if it happens to bear some semblance to reality, I think a lot of people are genuinely interested to know what can we say about the origins of the Universe, about the origins of the solar system, about the origins of life. ...[C]an we as ...puny-brained humans come to, through logic, through experiments, through thinking about it, through observations, come to an explanation for how life came to be. It's a grand question. It would be wonderful to know the answer. I think a lot of people would love to know that answer, and I personally would love to know that answer, even if my own views on the subject turn out to be completely wrong.
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[Why a cell vs a gene or partial gene?] There's been plenty of work done on RNA replicators and they have a tendency to become smaller and simpler and effectively better able to make copies of themselves with whatever you provide them in the environment, and they end up with a thing called , which is basically the binding sequence of the which allows it to furiously replicate away. ...If you're providing in the environmwent an RNA polymerase and an infinite supply of s then... they become simpler and simpler, and faster and faster at copying. ...The trouble is there isn't ever going to be an environment that's providing that for you except in a cellular context... If you're selecting at the level of genetic replication, the replicators that are better able to make copies of themselves fast are those which are, in effect, the most selfish and the least likely to cooperate to try and convert the environment into .
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