Sentences with phrase «celled organisms more»

Not exact matches

Biological organisms attempt to fight the chaos of the physical world by organizing themselves into cells and more complex organisms.

Such cells are found in organisms that can divide and differentiate into specialized cell types and can self - renew to produce more stem cells.

The DNA programming required to create life capable of replicating in even the most simple single celled organism is far far more complex than anything mankind has ever built.

If the conditions to allow a cell to form and begin acting as a living organism were in place, it stands to reason that more than one would form, potentially a lot more.

To the contrary, it is more fantastic than we can imagine — hundreds of billions (trillions) of galaxies with hundreds of billions (trillions) of stars, nearly all of which have planets, some right for life; planets so hot that they rain glass; stars made of diamonds; the lineage of animals from singled celled organisms to the incredible variety that exists today with their unique adaptations.

Cells with nuclei, called eukaryotic cells (which make up virtually all multi-cellular organisms) are much larger and more complex that prokaryotic cells and likely resulted from the early combining of prokaryotic cCells with nuclei, called eukaryotic cells (which make up virtually all multi-cellular organisms) are much larger and more complex that prokaryotic cells and likely resulted from the early combining of prokaryotic ccells (which make up virtually all multi-cellular organisms) are much larger and more complex that prokaryotic cells and likely resulted from the early combining of prokaryotic ccells and likely resulted from the early combining of prokaryotic cellscells.

We hold that those occasions responding to basic pulses or to the lure of a particular past particle form the elementary particles, which in turn form the atoms, which in turn form the molecules, which in turn form the more complex molecules of primitive organisms, which in turn form the one - celled organisms, which in turn form the multi-celled organisms, which, finally, in turn form the more complex organisms, persons.

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.

Once single - cells combined to form multi-celled organisms, how did those organisms get more complex to form organisms that had a brain and more complex parts?

Birch and Cobb maintain that the ecological model is more adequate than the mechanical model for explaining DNA, the cell, other biological subject matter (as well as subatomic physics), because it holds that living things behave as they do only in interaction with other things which constitute their environment (LL 83) and because «the constituent elements of the structure at each level (of an organism) operate in patterns of interconnectedness which are not mechanical» (LL 83).

«God includes the world, but is more than the world.20 Hartshorne is willing to say that «the world is in a sense the body of God».21 We are cells in the divine organism.

And what caused the single - celled organisms to form multi-cell organisms, and for organisms to become more complex.

A one - celled organism is more different still.

To help make ideas about energy more concrete, for example, the new unit will use a variety of analogies from more familiar physical systems (e.g., combustion and charging a cellphone battery) to help students understand those same energy - releasing and energy - requiring chemical reactions and energy transfer when they occur in living organisms (e.g., cellular respiration, creating a charge across a membrane in mitochondria and nerve cells) where the reactions are more complex and difficult to observe.

Despite that archaeal cells were simple and small like bacteria, researchers found that Archaea were more closely related to organisms with complex cell types, a group collectively known as «eukaryotes».

But something did change about 800 million years ago, and cyanobacteria and other minute organisms in continental margin ecosystems got more phosphorus, the backbone of DNA and RNA, and a main actor in cell metabolism.

Misfolded proteins often misbehave, which can muck up the cell's cleaning system and make the organism more susceptible to any number of proteinopathies.

There's no way around that, whether their human - looking Star Trek creatures with antenna on their foreheads, or they're nothing more than single - cell organisms with collective mega-intelligence.

Since life first emerged more than 3 billion years ago, single - celled organisms have dominated the planet for most of its history.

Synthetic biology enables researchers to tackle a huge and diverse range of applied problems: building a cell with the smallest possible genome; synthesizing proteins with extra amino acids — more than the 20 found in nature; using bacteria to produce medicines previously too complex to synthesize; even decomposing living organisms into standard, off - the - shelf «biobricks» that can be assembled on demand.

While these results suggest that boosting autophagy in the gut is generally beneficial, Hansen cautions that further research is needed: «Before we can consider regulating autophagy to manage disease, we need to learn a lot more about how the process works both in a single cell as well as in the whole organism.»

This maneuver «froze» the cells in a quiescent phase of their division cycle and may have made their chromosomes more susceptible to being reprogrammed to initiate the growth of a new organism after the nuclei were transferred into an egg.

Researchers at Tufts University have created a genetically modified yeast that can more efficiently consume a novel nutrient, xylose, enabling the yeast to grow faster and to higher cell densities, raising the prospect of a significantly faster path toward the design of new synthetic organisms for industrial applications, according to a study published today in Nature Communications.

And according to a third theory, as organisms age they deteriorate and must spend more energy to repair cell damage — to the detriment of other essential physical functions.

These findings of the MLU research group on Developmental Genetics suggest that the same genetic program may operate in germ cells of other, more complex organisms as well — albeit in a timely less compressed form.

Scientists think that mitochondria were once independent single - celled organisms until, more than a billion years ago, they were swallowed by larger cells.

No one knows whether fertilizing single - celled marine organisms is a sound way to pull more heat - trapping carbon dioxide out of the atmosphere.

Once a retrovirus has infected an organism, it commandeers that organism's genetic machinery, turning a once - healthy cell into a retroviral powerhouse that spreads the infection to more cells in an irreversible cascade.

The new work, by James Mitchell at the Harvard School of Public Health and colleagues, suggests that holding back calories causes cells to produce hydrogen sulfide, which somehow makes tissues more resilient and prolongs the life of laboratory organisms.

That's true in politics, on the playground — and for evolution, because switching from a «me» to «we» mindset helped cells evolve to more complex organisms.

«In healthy organisms, this pathway also allows cells to adapt more efficiently to nutrient availability,» Ballabio said.

Most sea sponges feed on single - celled organisms, which they filter from water, but some are more voracious, catching small crustaceans.

«When we deal with environmental or host - associated organisms that live within complex communities — typically thousands of species or more co-occur at the same time — it is very hard to determine what an individual species or cell is up to.

Thanks to the organism's creation, synthetic biologists are learning more about customizing cells, such as for development of highly effective drugs and energy alternatives to fossil fuels.

The team modelled how the membrane changed, enabling LUCA's descendants to move to new, more challenging environments and evolve into two distinct types of single - celled organism, bacteria and archaea, creating the deepest branch of the tree of life.

Schaal, dean of the faculty of arts and sciences at Washington University in St. Louis, called for more effective communication and public engagement by scientists in explaining their work, both to policy makers and to the general public, across a range of topics — climate change, evolution, stem cells, and use of genetically modified organisms (GMOs) in agriculture.

«Though the degree to which human embryonic stem cells possess this feature is not entirely clear, by understanding how another complex organism's genome works we ultimately learn more about how our own genome works,» said Zhou.

Janetopoulos and his group study Dictyostelium discoideum cells, which are technically single - cell organisms, but have the remarkable ability to join together into a single organism when times are tough, and migrate to a location where food is more plentiful.

Jasper says researchers at the Buck are also testing homologues of rapamycin that are more specifically aimed at TOR Complex 1 — a key complex containing TOR that regulates cell growth and metabolism in all complex organisms.

While many kinds of organisms (even single - celled ones) can swim, reach, float, squirm and even roll, only animals have developed muscle fiber, which has allowed us to move in a wider variety of ways and heave around vastly more weight.

The team at EMBL, headed by Ernst Stelzer, is part of a growing effort to study cells, tissues and even small multicellular organisms in conditions that more closely mimic nature, enabling longer viewing times and less adulterated results.

These organelles originated more than a billion years ago as single - celled organisms that were swallowed by larger cells.

You know, organisms made of more than one cell?

But the process, which is often set in motion by cells of the immune system, can also occur whenever tissue is damaged — even in the absence of a pathogenic organism — as, for example, when you stub your toe or, more seriously, suffer a heart attack.

Abundances of the brown tide organism in this region progressively increased through the month of May and were recorded at maximal densities of more than 800,000 cells per milliliter in western Shinnecock Bay as of June 1st.

More importantly, Zhang and his team for the first time found that treating the pancreatic tumor cells with MIR506 induced autophagy, a process that occurs as a normal and controlled part of an organism's growth or development and that could promote cancer cell death.

differentiation The maturation of a cell or organism from a simpler form to a more complex form.

More recent work has shown that glycolipids capable of stimulating Vα14 iNKT cells are found in several types of bacteria, including the relatively nonpathogenic and ubiquitous species of Sphingomonas organisms, and the spirochete Borrelia burgdorferi, which causes Lyme disease.

These findings of the MLU research group on Developmental Genetics suggest that the same genetic program may operate in germ cells of other, more complex organisms as well - albeit in a timely less compressed form.

The more copies of an organism's genome in its cells, the more those cells seem to benefit in terms of growth and adaptation.