Sentences with phrase «life chemistry of»

The dominant might become rare, the rare might become dominant, but the kingdom as a whole persists, albeit with an altered mix of species, which in turn alters the elemental cycles that determine the basic life chemistry of the sea.

Not exact matches

Some researchers also think it may be possible to compare the carbon, nitrogen, oxygen, and other chemicals in a plume to «default» levels seen in asteroids, which were formed at the dawn of the solar system — and ask if life is manipulating the chemistry there, or at least did so in the past.
These bright minds have submitted roughly 40,000 answers to more than 2,000 challenges in engineering, math, chemistry, life sciences, business and beyond, and won upward of $ 40 million (prizes range from $ 5,000 to $ 1 million).
All we can do is break Life down with the fuzzy math, chemistry, and physics that we've created ourselves and either hypothesize or even BELIEVE the results of our finding.
Highly energetic chemistry is thought to have produced a self - replicating molecule around 4 billion years ago, and half a billion years later the last common ancestor of all life existed.
Every life form on this planet is a bag of chemistry, starting from a simple egg, developing in some cases to extraordinarily complex life forms.
From that bag of chemicals, an entire life form with scores of different types of cells forms, all by chemistry.
The essence of Polanyi's critique of this view is that life requires something extraneous to physics and chemistry in order to have emerged in evolution.
We have just looked at the view that biology is in principle reducible to physics and chemistry and that life can be fully explained in terms of the movements of molecules and atoms.
We must keep physics and chemistry to their proper proportions in the scheme of life.15
If the physiological aspects of life are explicable in terms of physics and chemistry, it is likely that human mental processes are as well.
If it is questionable whether mental activity such as the planning and writing of a book can be fully explained by the sciences of physics and chemistry, it may not be so doubtful that life is also resistant to exhaustive explanation in terms of atomic and molecular analysis.
Scientific reductionism, however, wants to reduce biology to physics and chemistry, to explain the properties of «life», by thorough specification of the particulars (atoms and molecules) that are integrated into cells and organisms.
Explaining life solely in terms of physics and chemistry would be analogous to explaining how a town got built simply by demonstrating the crafts of making and laying bricks.
And the human mind includes life and matter, but it can not be fully understood in terms of chemistry and biology.
I shall be discussing primarily the contemporary attempts to reduce life and mind to «matter» as it is understood by a physics and chemistry that may themselves be out of date.
The moment of passage into the spiritual realm is not something that can be observed with research in the fields of physics and chemistry — although we can nevertheless discern, through experimental research, a series of very valuable signs of what is specifically human life.
With Polanyi I shall argue that the sequence of base pairs in DNA is in fact extraneous to the chemistry underlying the life process.12 Chemical activity is of course a necessary condition for the emergence and existence of life; But it is not a sufficient condition.
Similarly, astrobiology predicts that life emerges out of geophysics via chemistry.
This is to say, not just up into the complexities of organisms where, in Whitehead's terms, we seek life lurking in the interstices [PR 105 - 6], nor down into the magical realm of quarks with charm, but focused on chemistry.
Life, or Biology, is governed by the rules of chemistry.
Life started because of chemistry.
Organic chemistry, or «the study of carbon based compounds», explains how life is simply a seires of chemical reactions.
Some of us took Monsanto's slogan to heart — better living through chemistry.
When scientists announce that the chemistry of DNA is so certain, universal and uniform that all forms of life on earth are essentially the same, a credulous public jumps to the conclusion that traditional claims for the uniqueness of the human species have been nullified.
And any claim that life has been reduced to physics and chemistry must in these days, if it is to carry conviction, be accompanied by an account of the dynamics and statistics and the operating reliability of enzymes ultimately in terms of present - day groundwork of physics, namely quantum mechanical concepts.
So of course the real problem of life is not that all the structures and molecules in the cell appear to comply with the known laws of physics and chemistry.
St. John Paul II was fascinated by the hard sciences (physics, chemistry, astronomy) throughout his life; for decades, he hosted at Castel Gandolfo a bi-annual seminar of leading figures in those fields, so that he could keep abreast of developments in their disciplines.
Hitherto, in the eyes of a Science too much accustomed to reconstruct the world on one spatial axis extending in a line from the infinitely small to the infinitely great, the larger molecules of organic chemistry, and still more the living cellular composites, have existed without any defined position, like wandering stars, in the general scheme of cosmic elements.
He consider the sort of chemical mélange that is likely to have arisen from spontaneous, garden - variety chemistry on the primitive Earth, prior to the origin of life.
For example, the laws applying to living cells are less predictive than the laws of physics and chemistry The laws discoverable about multicelled life are even more distant from the (deterministic) ideal of complete predictability.
Along with dualistic mythology several developments in scientific thought since the seventeenth century have contributed to the exorcism of mind from nature: first, there is the cosmography of classical (Newtonian) physics picturing our world as composed of inanimate, unconscious bits of «matter» needing only the brute laws of inertia to explain their action; second, the Darwinian theory of evolution with its emphasis on chance, waste and the apparent «impersonality» of natural selection; third, the laws of thermodynamics (and particularly the second law) with the allied cosmological interpretation that our universe is running out of energy available to sustain life, evolution and human consciousness; fourth, the geological and astronomical disclosure of enormous tracts of apparently lifeless space and matter in the universe; fifth, the recent suggestions that life may be reducible to an inanimate chemical basis; and, finally, perhaps most shocking of all, the suspicion that mind may be explained exhaustively in terms of mindless brain chemistry.
The phenomenon of growing consciousness on earth, in short, is directly due to the increasingly advanced organisation of more and more complicated elements, successively created by the working of chemistry and of Life.
Although he lives in a world of common sense, he knows that nuclear science, space exploration, and studies in neurology and brain chemistry are changing the picture of the world.
In the cell, for example, there is a «holding together» of the levels of chemistry and life.
Biology, as an example, by virtue of its structure, makes possible the requisite degree of conceptual origination, having the characteristic of «life,» which is not true of chemistry or physics.
Even if such study leads us to something comparatively unromantic or unexciting, like «electrons, or the organic chemistry of the living cell, or the autonomic nervous system or the sun or anything else, then the workable idea of God would say: Lo, this is God.
For physical science you have in these lives merely ordinary examples of the operation of the principles of physiological chemistry, and of the dynamics of nervous reactions: for religion you have lives of the most profound significance in the history of the world.
We are not to look for some pale disembodied soul - existence, but for a rich, embodied life — although the «body» will be one appropriate to the heavenly state, not one fitted for a world of physics and chemistry.
To explain the second strategy, let us recall the display of the reductionist order of the sciences along the «Comtean ladder,» which arranges the forms of life and the corresponding specialized disciplines in an ascending series of rungs starting with physics at the base, followed by chemistry, biology, psychology, sociology and, depending on one's inclination, history and religion.
«The philosophical question that has not been answered in origin - of - life studies is this: How can a universe of mindless matter produce beings with intrinsic ends, self - replication capabilities, and «coded chemistry»?
The basic principle under food chemistry is to create the methods that makes it possible to harvest, preserve, process and prepare the food with high nutritional value for human consumption and increase the shelf life of food products without causing any diseases to the human.
Reading will no doubt try defending for dear life which we could also expect of che especially if they go a goal up, and we have to consider if we change too many or even one or two jigsaw pieces will it break our momentum or team chemistry in any way.
With as many as nine first - round picks over the next four years, along with the growing perception that Orlando has turned into the place for celebrity athletes to live, Gabriel should be able to upgrade his team and merrily tinker with its chemistry over the next couple of years.
«Quite frankly, we live in the information age and there's a great deal of information available if you know where to look for it on how to use chemistry to create explosive materials,» said lieutenant Mark Torres, commander of the bomb squad.
It was step one in the birth of chemistry and the emergence of stars, planets and life itself.
The fields within biology are further divided based on the scale at which organisms are studied and the methods used to study them: biochemistry examines the fundamental chemistry of life; molecular biology studies the complex interactions of systems of biological molecules; cellular biology examines the basic building block of all life, the cell; physiology examines the physical and chemical functions of the tissues and organ systems of an organism; and ecology examines how various organisms interrelate.
That would change the chemistry happening on the planet in a way that could make any signs of life tricky to distinguish from geochemical processes.
This book, which grows out of an exhibit at the Grolier Club in New York, introduces the lives, sayings, and dreams of sixteen women over four centuries and chronicles their contributions to mathematics, physics, chemistry, astronomy, computer science, and medicine.
A subject in a study of the effects of hallucinogens on brain chemistry recounts her mystical, life - changing experiences under the influence of psilocybin
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