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.