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Now CO<sub>2</sub> itself... doesn't really want to pick up any electrons and become reduced to an organic molecule, but if it's in a relatively ic e… - Nick Lane
" "Now CO<sub>2</sub> itself... doesn't really want to pick up any electrons and become reduced to an organic molecule, but if it's in a relatively ic environment where there's s available, it picks up a negative charge. It doesn't want another negative charge. It's going to try and repel that, but if there's a proton around, it picks up the proton. Now it's neutralized the charges... pick up another electron, another proton. So it's much easier to accept electrons in an acidic environment. And this is the structure of these vents and it's the structure of cells, and it's how these earliest, most ancient cells we know about actually do fix CO<sub>2</sub>. They use the proton channel in the , which effectively locally acidifies an environment and allows this reaction to proceed. So I think that's fundamental, simple... works well, and it's testable in the lab.
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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
For decades, biology has been dominated by information—the power of genes. ...[Y]et there is no difference in the information content of a living protozoon and one that died ...The difference between alive and dead lies in energy flow ...the ability of cells to continually regenerate themselves from simpler building blocks.
I see myself as a biologist or a biochemist, but... in the context of as a broader subject, it forces me to wrestle with physics, with cosmology, with chemistry, with geology, with earth sciences or planetary sciences, and that's a thrill. ...I think it's what most people are drawn into science in the first place for, because science, in its biggest sense, is what inspires people, and by the time that you've got to the level of doing a PhD, it's narrowed down so much that a lot of people are almost forced to lose their imagination, and their creativity as a scientist... I think astrobiology is a subject that puts all that back in, in heaps.
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The inner logic of ... Much of it is imposed by thermodynamics; some is facilitated by catalysts. Some is refined by genes. And part stems from the vicissitudes of life itself, which forced evolution down improbable paths, while transforming our geologically restless globe from a sterile, anoxic planet into the living, high-octane world of today.
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