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A model suggests that the twin helix DNA macromolecule, the cornerstone of a great portion of life on Earth, may employ quantum entanglement to become stable.
Now quantum physicists from Singapore and the US have come up with an idea which, if proven true, will make us see life from a different perspective. They believe that DNA, the medium used to store and replicate genetic information by all but the simplest life forms, is bound together by a quantum effect.
Due to the size and structure of the double helix molecule, these harmonic oscillators become entangled, and this effect remains significant even at normal temperatures. Moreover, without this quantum interaction the whole system would become unstable and rip itself apart, researchers believe.
The theory is yet to be proved by experimentation. Authors of the paper have also come up with the question of how the entanglement may affect information processing in living cells and how it could be harnessed.
Title:
Triplet–singlet spin communication between DNA nucleotides serves the basis for quantum computing.
Source:
Chemical Physics Letters; Feb2007, Vol. 436 Issue 1-3, p258-262, 5p
Abstract:
The nature of spin communication between DNA nucleotide pairs is discussed. The results are based on CIU (2×106 configurations, 6-311G∗∗ basis set) quantum chemistry computations at a constant temperature T =310K of complementary nucleotide pairs, guanosine–cytidine (G–C) and adenosine–thymidine (A–T) monophosphates, assembled into DNA fragments of different length. Calculations reveal alternation of low energy triplet–singlet (T–S) potential energy surfaces (PESs), assigned to individual nucleotides. In a narrow energy interval these PESs approach, showing repulsion and uncommon crossings. Complementary nucleotide pairing, a result of Watson–Crick hydrogen bonding, produces a global minimum in total energy, coming from the unique crossing between two singlet by nature PESs strictly around 310K. Interaction between non-complementary nucleotides reveals no minima and points rather to system destabilization. Computations show that regularly organized DNA is a structure of similarly oriented spins along each of its two chains, so that the resultant spin of the whole structure is equal to zero. Disordering in spin structure produces coherent effects, appearing in spin flipping, which serves the basis for constructing DNA-based quantum computing. [Copyright &y& Elsevier]
This still has to be proven, it is a theory at the moment. Im not an expert on quantum physics, but this is something Ive never heard of before. DNA bound together by quantum effect?
Ive often thought that the matter that makes up our body is all entangled together since we are one organism/life form.
I think this theory has a good chance of turning out to be true.
The quantum world is eerie and strange. Its like the rest of the universe bubbles up from this foam of particles/potential particles/ and virtual particles. its like the surface of choppy water, we get peaks and low points, which provides differentiation and polarity, and gets the process moving, instead of just having a static dead field where its surface is flat like glass.
While I did enjoy the analogy, I also found it rather lacking in explanation.
I personally think people are latching onto the idea of quantum mechanics, entanglement and observer effect paradigms because it gives an air of mysticism to the universe. Such modes of thinking has been utilized by our species since the dawn of religions.
How is "quantum mechanics, entanglement and observer effect paradigms" nonsense? How are these theories not cool? as they are a slap in the face to conventional/newtonian thinking. And what theories or ideas of your own do you have to throw out there that are "cooler" instead of just random bashing on people? you can bash my OPINIONS all you want, but what did you bring to the table?
I think once we dispel with all that nonsense then we'll learn reality is much cooler than that.
Originally posted by VonDoomen
reply to post by sirnex
the world is built upon, level by level. Quantum>subatomic>atomic>nuclear>molecular>chemical> ect. so to say the quantum level would have no effect on the biological level is rather ludicrous and ignorant at best.
Link
Where the Bleep they're Wrong about Quantum Physics & Reality The quantum world is intriguing, but unless you're a particle physicist it's got very little to do with the world's reality.
The Effect of the Observer: "Quantum physics calculates only possibilities... Who/what chooses among these possibilities to bring the actual event of experience? Consciousness must be involved. The observer can’t be ignored."
Amit Goswami (PhD) in What the Bleep Do We Know? Not exactly, Amit. The observer effect of quantum physics isn't about people or reality. It comes from the Heisenberg Uncertainty Principle, and it's about the limitations of trying to measure the position and momentum of subatomic particles. Gripping stuff, but nothing to do with our daily lives.
Heisenberg basically says you can't get a really accurate fix on both the position and the momentum of a subatomic particle - say an electron - at the same time. You can be accurate in one or the other, but not in both. (It's all to do with photons of light from your measuring instrument hitting the poor electron and knocking it for six). It's actually the machine that's the observer, not the human who's jotting down results.
These types of thoughts breed narcissism and magical thinking. It erroneously empowers people to think they're special and somehow or another "create their reality". THAT is an absurd notion. Reality is independent of any one of us. It's not perspective which is reality, that's a layman's copout.
GUys ignore anything sirnex has to say.
Originally posted by unityemissions
These types of thoughts breed narcissism and magical thinking. It erroneously empowers people to think they're special and somehow or another "create their reality". THAT is an absurd notion. Reality is independent of any one of us. It's not perspective which is reality.
[edit on 2-7-2010 by unityemissions]
Originally posted by sirnex
reply to post by loner007
GUys ignore anything sirnex has to say.
Yes, instead learn your "facts" from MEDIA which uses sensationalized language and imagery.
I is R smarT!
Quantum biology seeks to investigate the life sciences in terms of quantum theory. This includes attempts to study biological processes and dynamic molecular structures in terms of quantum mechanics (QM). For example, investigations of dynamic molecular structure and energy transfer at the quantum level have credibility if they explain macroscopic biological observables that otherwise are inexplicable. Quantum biochemistry and quantum studies of photosynthetic processes/photosynthesis have produced significant, verifiable results. In particular the step-wise, quantum release of protons upon photon absorption linked to water `splitting' in photosynthesis requires a quantum theoretical explanation involving complex photosystem II. Furthermore, both experimental and theoretical studies support the involvement of quantum tunnelling mechanisms in enzyme reactions. Fundamental biological processes that involve the conversion of energy into forms that are usable for chemical transformations are quantum mechanical in nature. These processes involve chemical reactions, light absorption, formation of excited electronic states, transfer of excitation energy, and the transfer of electrons and protons (hydrogen ions) in chemical processes such as photosynthesis and cellular respiration. Quantum biology uses mathematical computation to model biological interactions in light of QM effects. The need for a quantum theoretical study of genetic systems has been pointed out by Erwin Schrödinger in 1946, and followed up with a detailed formal approach to Quantum Genetics by Robert Rosen in 1961. An unresolved and still controversial issue in this field is that of non-trivial (i.e. not limited to properties of molecules) role of quantum effects in biological systems. However recent studies of transcription are consistent with quantum information processing of coherent duplex DNA states by the transcriptase .
Some of the biological phenomena that have been studied in terms of quantum processes are the absorbance of frequency-specific radiation (i.e., photosynthesis and vision); the conversion of chemical energy into motion ; magnetoreception in animals and brownian motors in many cellular processes. The field has also been active in researching QM analysis of magnetic fields and bird navigation, and may possibly shed light on Circadian rhythms in many organisms.
Originally posted by depth om
Originally posted by unityemissions
These types of thoughts breed narcissism and magical thinking. It erroneously empowers people to think they're special and somehow or another "create their reality". THAT is an absurd notion. Reality is independent of any one of us. It's not perspective which is reality.
[edit on 2-7-2010 by unityemissions]
How do we not create reality, you berate other people for their idiocy yet you can't even understand that we are reality, inseparable from the environment, hell we are the environment because our whole existence is derived from the mind acting on input from the void that science throws explanations into hoping they bounce back. We create a reality merely by breathing, we affect everything all the time.
That wasnt "an attempt to sensationalize the science of biology by equating it to quantum mechanics. " whatever that means. It was, as I said, A "thought".
you are wrong, dear sir. Our universe is a highly inter-connected system. Everything effects everything else. the world is built upon, level by level. Quantum>subatomic>atomic>nuclear>molecular>chemical> ect. so to say the quantum level would have no effect on the biological level is rather ludicrous and ignorant at best.
That would be because im not a quantum physicist? Maybe?
I never once said anything about mysticism or religion, so i dont see why your bringing up those topics. Im interested in these topics because, 1, their interesting, and 2, these topics will be able to tell us more about the universe.
and then you give yourself away by saying
How is "quantum mechanics, entanglement and observer effect paradigms" nonsense?
I personally think people are latching onto the idea of quantum mechanics, entanglement and observer effect paradigms because it gives an air of mysticism to the universe. Such modes of thinking has been utilized by our species since the dawn of religions.
I think once we dispel with all that nonsense then we'll learn reality is much cooler than that.
How are these theories not cool?
as they are a slap in the face to conventional/newtonian thinking.
you can bash my OPINIONS all you want