Sentences with phrase «set of organisms»

A team has, for the time, examined soil samples for traces of DNA and revealed these caves could hold a much more diverse set of organisms than previously thought.
'' exploit the fact that each level within the tidal range is characterized by a particular set of organisms that live there.»
To determine this, we can exploit the fact that each level within the tidal range is characterized by a particular set of organisms that live there.
ecological species concept: A concept of species, according to which a species is a set of organisms adapted to a particular, discrete set of resources (or «niche») in the environment.
And the ecosystem comprises a different set of organisms.
For each set of organisms, they used differences in the number of mutations in certain genes to determine where each organism sat in its particular group's tree.
The sad observation that, «All my starters might start different, but they all become alike» could be because when you keep them at the same temperature, nd you feed them the same flour the same way, the same set of organisms could well take over all your cultures.
The decomposers were barely detectable at the beginning of these experiments, and the soil around each corpse supported seemingly quite different sets of organisms, the team reports online today in Science.
«Different sets of organisms come together depending on the water temperature.»

Not exact matches

For less than $ 100, the new process allows scientists to make some of the key materials needed to modify an organism's entire genome, or it's complete set of DNA, the researchers said.
but to ensure that the organism continually strives for the maximization of pleasure in interpersonal settings.4
When therefore we set out to study the events out of which it arose, and the part that its Founder played in them, we are not like archaeologists digging up the remains of a forgotten civilization, or palaeontologists reconstructing an extinct organism.
In the higher organisms, including man, a complex set of neural and humoral regulatory mechanisms preserve the stability of the metabolic processes within very narrow limits, despite substantial changes in the external environment.
And as any system or organism is always a part of some larger system, organism or ecology, it in turn fulfils a certain function, or set of functions - which is often interpreted as having a certain «purpose» within that largersystem.
With the value - laden concept of organism as our starting point, there is a hope of having a single set of principles which encompass all forms of experience, physiology and psychology, including morals, politics and aesthetics.
The building block electronic and protonic actual occasions are, in the case of human beings, swept into vastly more complex, Chinese box - like sets of containing societies within which there are social levels that can be identified with cells, others which answer to Aristotle's levels of tissues and organs, and which finally are presided over by what Whitehead refers to as the regnant nexus, a social thread of complex temporal inheritance which, Whitehead suggests, wanders from part to part of the brain, is the seat of conscious direction of the organism as a whole, and answers to what in Plato and Aristotle is called the soul.
Along with the importance of these relationships are several other key features: the nested hierarchies of organisation at hundreds - if not thousands - of different levels on this planet... the same laws of physics and chemistry function throughout the universe, and everything is related to everything else... as any system or organism is always a part of some larger system, organism or ecology, it in turn fulfils a certain function, or set of functions - which is often interpreted as having a certain «purpose» within that larger system.
Piaget said that Whitehead had recognized the inadequacy of mechanical means of explanation and had set forth the distinctive importance of the concept of organism (ESH 312).
MM: He wants a set of principles that go right up from electrons via molecules to organisms, just as Whitehead did.
In this regard, we described two types of biologically - based teleologies: (i) an external teleology, where there is a deliberate and conscious setting of goals, those that are generally found among human beings and possibly in higher animals; and (ii) an internal teleology, where there is no self - directed or conscious goal - seeking on the part of living organisms, such as in the natural selection of favorable traits among biologically adaptive species.
I do not believe Whitehead means this only as history of the origins of modern science, for the philosophy of organism included not only harmony, but rhythm, balance, series, progress — all modes of order are affirmed of nature and «set before us as ideals» (SMW 28, extended from harmony and progress to other modes of order).
With the newfound knowledge that yeast was a living organism and the ability to isolate yeast strains in pure culture form, the stage was set for commercial production of baker's that began around the turn of the 20th century.
At RW Garcia, we've taken a stand on Genetically Modified Organisms (GMOs) by setting a strict standard of adherence to both U.S. and European Union standards of allowable limits for GMOs.
Then this slide set of basic biological organisms would spark her interest.
To handle the staggering task of testing all of the potential combinations of genes, Venter and his colleagues are going to set up an army of robots to build a million synthetic organisms a day.
Entanglement, a quantum property once seemingly confined only to small sets of particles, has been demonstrated in far larger systems — and even within living organisms.
But if we really want to be scrupulous (and we do at Science News), we would have to admit that very few of these qualities are sufficient to set us apart from all other organisms.
The international team, including palaeontologist from The University of Manchester, found a new set of trace fossils left by some of the first ever organisms capable of active movement.
John Glass, a senior microbiologist in the synthetic biology group at the J. Craig Venter Institute in Rockville, Maryland, puts it this way: If you can imagine a set of genes that will program a cell to do something — anything — then you can make them «at a reasonable cost and test your hypothesis... so it will be possible to attempt to design organisms that have extraordinary properties to solve human needs.»
All adult cells contain an organism's entire set of genes, but they shut off all save those genes they need to function as hair, blood and so forth.
Scientists refer to the full set of microorganisms living on and inside a host organism as the microbiome.
As the fungus fed, it created nourishing soil, setting the stage for the evolution of more complex organisms, from plants to worms.
And it's also possible that with our better understanding of how bacteria function as part of an environment with other bacteria and with your host organisms, that may represent a kind of relatively untouched set of potential vulnerabilities that we could take advantage of.
So the team set out in search of a better catalyst, one that would play well with living organisms while effectively splitting water.
Finally, the authors addressed two major challenges for any study that generates large data - sets of individual genes and proteins in model organisms like yeast: How to assemble the data into coherent maps?
The relationship is non-linear because phenotype, or set of observable characteristics, is determined by a complex interplay between an organism's genes — tens of thousands of them, all influencing one another's behaviour — and its environment.
«This method has important implications for the way future systematic studies are conducted as it provides researchers with a way to strategically target regions of interest in their study organism, such as single - copy regions of the nuclear genome or portions of organellar genomes, to produce large data sets at low costs,» says Uribe - Convers.
Published Jan. 21 in the journal Nucleic Acids Research, this study describes a complementary set of distinct and portable safeguards capable of securing a wide range of organisms.
Ancient ancestors of today's pine, cypress and yew trees had extra copies of their entire genome — the set of genetic instructions for an organism, researchers report November 20 in Science Advances.
Comparing the DNA sequences of similarly shaped proteins in various organisms produces a geneaology of all life on earth that matches those created from completely different data sets.
In neurons, ions flowing through the cell wall initiate action, setting off a string of communications that tell organisms like us how to feel and behave.
Scientists at USC have definitively demonstrated that large sets of variations in the genetic code that do not individually appear to have much effect can collectively produce significant changes in an organism's physical characteristics.
Ancient ancestors of today's pine, cypress and yew trees had extra copies of their entire genome, the set of genetic instructions for an organism, researchers report November 20 in Science Advances.
«Having this complete set of instructions gets us one step closer to understanding how a free organism functions,» points out Francis Collins, director of the National Human Genome Research Institute (NHGRI) in Bethesda, Maryland.
Environmental scientists and synthetic biologists have for the first time developed a set of key research areas to study the potential ecological impacts of synthetic biology, a field that could push beyond incremental changes to create organisms that transcend common evolutionary pathways.
The plant excision repair system also involves a slightly different set of repair proteins than are found in other organisms.
«First aid kit in some living organisms helps fix DNA after lengthy sun exposure: New study unveils the binding mechanisms of enzymes capable of repairing DNA damaged by UV light before any risk of cellular malfunction sets in.»
At the time, other scientists postulated that at the extreme end of an organism's life span, its chances of dying from one year — or day — to the next increase at a set, exponential rate; Vaupel and Carey's goal was to determine whether that assumption was valid.
Ohsumi and his colleagues set out to explore whether yeast, a single - celled organism that nevertheless uses many of the same biochemical processes as animal cells, could help answer some of the outstanding questions.
The ETC Group, the International Center for Technology Assessment, and Friends of the Earth asked Congress to prohibit the release of synthetic organisms into the environment and their use in commercial settings.
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