Sentences with phrase «for complex molecules»

An underground water - ammonia brine, with some methane and other hydrocarbons thrown in, could be a friendly environment for complex molecules or even living organisms.
The first Earth - size planets that Kepler finds will probably be very close to their star, so they will be very hot, probably too hot for complex molecules to exist and too hot for life.
The existence of DNA is not evidence for God; it is simply evidence that it is possible for complex molecules to form in this universe.
To prevent the genetic control mechanisms of Escherichia coli from interfering with the synthesis, they reconstructed an entire, self - sufficient metabolic pathway for a complex molecule and inserted it kit - and - kaboodle into E. coli bacteria.

Not exact matches

Yet, for a cell to survive requires three complex molecules, (1) DNA (dioxyribonuleic acid), (2) RNA (ribonuclueic acid), and (3) proteins.
The evolution of sufficiently complex molecules, for example, is required before the vast possibilities of life become relevant.
In general it seems that we can be sure there are souls only where there are central nervous systems providing sufficient stimulus in some locus in an animal body for a unified experience to emerge far more complex than that of individual molecules or cells.
We are now in a position to deal with the problem of how it is possible for biological features to develop in complex molecules.
There can still be local decreases in entropy, as happens with all living organisms while they are still alive and in some other situations as, for example, when complex organic molecules are made from their constituent atoms in outer space, as now seems to be the case.
There is a tendency in the universe for things to become more complex, as molecules cling and become compounds and then cells, but while short - term complexity is happening, the system as a whole is running down and the stars are cooling.
Anabolism means the reaction that build the complex molecule from the simpler ones for example bone growth.
Ammonia is in the human body it's changed to urea BUT it is also essential to the human body for building proteins and other complex molecules.
One of the key clues will be the presence or lack of complex organic compounds — molecules featuring carbon that are both ingredients for life and potential by - products of it.
Richard Heck, Ei - ichi Negishi and Akira Suzuki won the Nobel Prize in chemistry for the development of new ways to synthesize complex organic molecules using palladium - catalyzed cross-couplings.
In this study, the SIgN team discovered for the first time that the integrity of p53 affects the production of a special cell surface protein called Major Histocompatibility Complex (MHC) class I. MHC class I molecules on the cancer cell surface serve as targets for the immune system.
Thus, transport of peptide — MHC II complexes by DCs not only accomplishes transfer from late endocytic compartments to the plasma membrane, but does so in a manner that selectively concentrates TCR ligands and costimulatory molecules for T cell contact.
«Complex molecules or complex technologies, there you need new research, and you need to not have a patent period for 20 years where no one do [sic] research on that molecule, just wait for the money comComplex molecules or complex technologies, there you need new research, and you need to not have a patent period for 20 years where no one do [sic] research on that molecule, just wait for the money comcomplex technologies, there you need new research, and you need to not have a patent period for 20 years where no one do [sic] research on that molecule, just wait for the money coming in.
That's allowed it to serve as the medium for the growth and evolution of the most complex molecules in the universe, including enzymes, proteins, and the mother of all known living creatures, DNA.
Dr Liebeke, formerly of the Department of Surgery and Cancer at Imperial, and now working at the Max Planck Institute for Marine Microbiology, in Germany, said: «Using these molecular microscopes is changing how we understand complex biochemistry of living beings; we are now able to locate every molecule in, for example, an earthworm to a specific location.
While straining spaghetti is a simple example, the filtering of specific molecules on the nanoscale level for biomedical applications and for production of clean water is a complex and costly process.
More than just riding herd on molecules, such subtle forces make it possible for structures to assemble themselves into an ever more complex hierarchy.
«We've been looking to nature for a while to find complex molecules for use in a number of consumer electronics applications,» says Dwight Seferos, an associate professor in U of T's Department of Chemistry and Canada Research Chair in Polymer Nanotechnology.
Given the potential for living systems to produce highly complex chemical compounds, researchers working with Michelle C.Y. Chang at the University of California, Berkeley (USA), aimed to manipulate the biosynthetic machinery in cells to use simple fluorinated building blocks to make new organofluorine target molecules.
They looked specifically for genes coding the major histocompatibility complex (MHC)-- a molecule found on the surface of cells that acts as a crucial component of the immune systems of most vertebrates.
The new insights into the human cannabinoid receptor 1 (CB1) will provide an essential tool for understanding why some molecules related to THC have unexpectedly complex and sometimes harmful effects.
LMU chemists have synthesized a new photo - activatable molecule, which shows 2 - dimensional switching behavior — an essential prerequisite for the construction of complex molecular machines.
For the first time, complex organic molecules (depicted by stick molecules in the artist's representation above) that are potential precursors to some building blocks of life have been spotted in the protoplanetary disk surrounding another star.
Using radio telescopes in Spain, France, and Australia, a team headed by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecules.
Scientists from the Max Planck Institute for Chemical Ecology in Jena, Germany, have succeeded in identifying a relatively simple molecule that is able to regulate complex mating behavior in vinegar flies: a fatty acid methyl ester called methyl laurate.
RNA acts as a messenger between DNA and the protein synthesis complexes known as ribosomes, forms vital portions of ribosomes, and acts as an essential carrier molecule for amino acids to be used in protein synthesis.
Water exists in myriad forms, and for poets and scientists alike this structurally simple yet at the same time behaviourally complex molecule never fails to fascinate.
They suspect that the way the olfactory system is organized has little to do with how an organic chemist might organize molecules (for instance, by the number of carbon atoms on each molecule); instead, it more closely resembles the complex way that chemicals are associated in the real world.
The study also reports the structural details of the viral gHgLgO complex bound to the cellular PDGFRα, demonstrating that the gO molecule is essential for the binding to PDGFRα and thus represents the key component that triggers the infection of the host.
Water locked away in rocks for 1.5 billion years reveals conditions were right for complex organic molecules to form in deep sea hydrothermal vents
Combining these two elements to make a compact frequency comb generating long - wavelength light in the terahertz range can produce a useful source of radiation for a variety of applications in imaging, diagnostics, remote sensing, and identifying molecular «fingerprints» of extremely complex molecules.
It has long been suggested that the meteoritic and cometary material that bombarded the early Earth delivered the raw materials — complex organic molecules, such as glycine, β - alanine, γ - amino - n - butyric acid, and water — and the energy that was required for synthesis.
The results are encouraging: «Our work demonstrates for the first time that we can predict the Kondo effect quantitatively and it offers a theoretical basis for similar calculations with larger and more complex molecules.
Quantum computers are naturally well - suited to simulating other quantum systems, which may help, for example, our understanding of complex molecules relevant to chemistry and biology.»
Liquid phases are a natural environment for many interesting processes in chemistry and biology, and short light pulses allow insights into electronic and structural dynamics of molecules and molecular complexes.
Lost City is at least 30,000 years old; in principle, that process could continue for millions of years, liberating hydrogen, methane, and more complex organic molecules along the way.
In Hud's laboratory, for instance, researchers used cycles of alternating wet and dry conditions to create complex organic molecules over time.
Many members of the team had previously reported uranium nitride and oxo complexes where the molecules are essentially the same except for swapping a single nitrogen atom for an oxygen.
Unlike microcrystals, for example, the tubules have complex forms — often observed abruptly changing direction to avoid intersecting each other, in a manner consistent with tunneling microbial behavior — and contain organic molecules associated with biological activity; the Ries tubules are also similar to fossil traces of microbes found in volcanic glass.
If they do, astrochemists in the lab could see what other complex combinations result from these radicals and then search for those molecules in space.
By looking for unique chemical signatures in light and radio signals gathered by telescopes, researchers have observed more than 140 molecules — including increasingly complex organic ones — surrounding stars or in interstellar space.
After waiting for more than a year to get observing time, Snyder needed just a few nights at the telescope to demonstrate that complex organic molecules, formaldehyde in particular, permeate the galaxy.
She found a gene for what's known as the major histocompatibility complex (MHC)-- cell surface molecules that help the immune system recognize foreigners — that was remarkably similar to one in humans that allows infected people to keep the virus in check for decades.
For the cost of feeding them powdered sugar, bacteria may soon be used to produce medicines and other complex molecules without the usual burden on the environment.
This stand - alone molecular assembly line consists of 10 genes — from a plant, yeast, and another bacterium — coding for the enzymes that allow the bacteria to assemble a complex molecule from its building blocks.
These complex carbon - containing molecules do not necessarily signal life — they float in the harsh environment of interstellar space, for example — but they do form the building blocks of life as we know it.
a b c d e f g h i j k l m n o p q r s t u v w x y z