tag:blogger.com,1999:blog-496263467300370264.post8320290680106688017..comments2022-03-26T17:52:14.434+00:00Comments on The Y.O.R.F.: Reaction or catalyst? Which started life?Cathttp://www.blogger.com/profile/08645968914831610862noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-496263467300370264.post-64843272971682845442007-12-16T10:15:00.000+00:002007-12-16T10:15:00.000+00:00lol. i think a lot of people dont buy it but i rem...lol. i think a lot of people dont buy it but i remember them giving a reason why QM can have effects on a larger scale. i dont think it is a good one but i cant really evaluate such things.James Lloydhttps://www.blogger.com/profile/08219295648051788360noreply@blogger.comtag:blogger.com,1999:blog-496263467300370264.post-68608233600439916252007-12-15T18:34:00.000+00:002007-12-15T18:34:00.000+00:00QM only works at a very small scale, atoms at most...QM only works at a very small scale, atoms at most. I don't buy it. New Scientist is a tabloid magazine anyway, I refuse to read it.Menelaos Symeonideshttps://www.blogger.com/profile/05361581879935604330noreply@blogger.comtag:blogger.com,1999:blog-496263467300370264.post-29399102120515200022007-12-11T13:06:00.000+00:002007-12-11T13:06:00.000+00:00You would not believe some of the weird things I h...You would not believe some of the weird things I have read in newscientist (unless you read them too). Some people believe quantum physics played a role in the origins of life. People are trying to create quantum computers. These will exist in several states at once so can calculate several things at once therefore much faster than conventional computers. These are simply theoretical at the mo. If you remember the Cat story, something can exist in 2 states at once, called a superposition. Only when observed (I am still not clear on what observed means to quantum physicists) will it exist in one form. What if an RNA molecule was made, what are the chances it would exist in a self replicating form? Low. But if the RNA molecule existed in several forms at once it could test these forms out. Once it found the self replicating form, this would collapse the superposition and you have a cool life starting RNA molecule. <BR/><BR/>Sound bollocks to me but still interesting.James Lloydhttps://www.blogger.com/profile/08219295648051788360noreply@blogger.comtag:blogger.com,1999:blog-496263467300370264.post-90369917115789487342007-09-27T13:45:00.000+01:002007-09-27T13:45:00.000+01:00I have just read your post quickly, so I'll need t...I have just read your post quickly, so I'll need to read it again more carefully before being able to thing about it properly and contribute in some inteligent way to the debate...<BR/><BR/>However, about the PNA. Am I right in thinking that people are trying to build these DNAs with a peptide bond as some sort of therapy for certain diseases? I think one of the biochemists in my tutorial last term was writing an essay on it... I should probably find out more about it!Cathttps://www.blogger.com/profile/08645968914831610862noreply@blogger.comtag:blogger.com,1999:blog-496263467300370264.post-17582598276982885022007-09-27T09:48:00.000+01:002007-09-27T09:48:00.000+01:00Because no one else will comment on my post I will...Because no one else will comment on my post I will! I did not mention LUCA. He is our very great grandparent. In fact of all life. LUCA stands for Last Universal Common Ancestor the first species then diverged into bacteria and the archaea/eukaryote branches of the tree of life! <BR/>I have recently read some believe membranes evolved after LUCA and he was not cellular life. LUCA came after DNA life. This apparently explains why archaea have very unusual membrane chemistry. But how does this explain why archaea and eukaryotes are different because we shared a common ancestor recently. It seems stupid to me. Complex metabolism such as glycolysis and so on would have arrived before cellular life and I find this hard to believe. Wouldn’t you have needed individuals to compete in a Darwinian fashion to create complex metabolism such as this? And one final thing, membrane proteins are shared by all 3 domains of the tree of life so mush have existed in LUCA and therefore LUCA was cellular life with a membrane! I just thought it was interesting so I shared.James Lloydhttps://www.blogger.com/profile/08219295648051788360noreply@blogger.com