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originally posted by: spacemanjupiter
a reply to: Silcone Synapse
Pretty amazing. I just can't fathom any stronger evidence than things like this to prove that this universe is a big program, really not much different than our software programs, just on an almost infinitely complex scale. The same reason our heart beats without ever thinking about it
originally posted by: Barcs
originally posted by: spacemanjupiter
a reply to: Silcone Synapse
Pretty amazing. I just can't fathom any stronger evidence than things like this to prove that this universe is a big program, really not much different than our software programs, just on an almost infinitely complex scale. The same reason our heart beats without ever thinking about it
We have software programs that eat individual electrons?
originally posted by: Silcone Synapse
This is one of the little rascals,named "geobacter metallireducens":
originally posted by: ionwind
This is exactly like saying that a rechargeable battery "eats" electrons when being charged and "excretes" electrons when being used. Yeah, right...
They are actually talking about a redox reaction, where an atom or molecule can gain or lose an electron.
This bacterium can use redox reactions involving iron in some of it's metabolic pathways. It still needs to get all the other organic molecules and atoms (carbon, nitrogen, phosphorus etc) from other sources.
IF it only needed electrons and was some kind of "electric" entity, they why does the OP video show it reaching for gunk as food?
The article is very misleading. They use this picture:
This was actually done by an artist. He took an image of the bacterium and colorized it, to make it look spacey.
Link
This is what a normal photograph would look like:
Link
It is amazing that it can move electrons around like this, but I think they're stretching the truth a bit. Deny Ignorance and all that.
All the mitochondria in human cells are identical and by normal evolutionary thinking came from a single ancestor. For there to be two types you would have to suppose that some single-celled ancestor formed a partnership with two or more kinds of bacteria that became symbiotes and that both kind of mitochondria were retained in all the intermediate species leading to humans. Or you would have to assume sequential endosymbiotic partnerships forming several times which seems equally unlikely.
This does not mean that all mitochondria in all species came from a single ancestor bacteria. There is some evidence that different lines of protists may have independent lineages of mitochondria. We definitely know that there are several lines of photosynthetic endosymbiotes which is why these are now described collectively as plastids rather than chloroplasts which are the line found in plants.
As to the name of the bacteria, remember that hundreds of millions of years of evolution separate that original endosymbiont from modern bacteria. There is some evidence that it was related to modern alpha-proteobacteria but trying to identify a species is impossible. The article is rather technical but you can read more about the linkage to alpha-proteobacteria here www.ncbi.nlm.nih.gov...
Source:
I teach biology.
originally posted by: Kashai
Interesting response. What in your opinion is the potential in relation to the issue of all, " According to endosymbiosis theory, do all mitochondria in human cells originate from 1 type of aerobic bacteria?
Any thoughts?