Sentences with phrase «in cells of living organisms»

DNA is the genetic material found in the cells of all living organisms.

The huge amount of genetic material in the form of DNA in the cells of living organisms is physically compacted into minuscule bundles called chromosomes.

Researchers at Pacific Northwest National Laboratory and East China Normal University devised and tested a thin - about as thin as the skin of a soap bubble - film composed of a special type of molecules called peptoids that can repair itself, similar to the self - repair seen in cells of living organisms.

The study involved extracting Ribonucleic acid or RNA — found in the cells of all living organisms — to develop a transcriptome — the gene readouts in a cell — to examine what occurs during the different developmental stages of the cockroach pregnancy and to explore if those changes hold wider applications for other mammals.

A breakthrough study that Apfeld co - authored while an instructor at Harvard Medical School provided one piece of the puzzle, thanks to a new fluorescent sensor technology that precisely measures oxidation reactions in the cells of live organisms.

Not exact matches

In reality, the lifeform belongs to a separate class of life known as Archaea, a type of single - celled organism that typically thrives in harsh environmentIn reality, the lifeform belongs to a separate class of life known as Archaea, a type of single - celled organism that typically thrives in harsh environmentin harsh environments.

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.

When you say miracle of life, do you mean conception of a child in todays world or are you talking about single - celled organisms at the advent of life on earth?

DNA / RNA and proteins are by far the most important components of a living organism, carrying out virtually every function in a cell.

Due to the time frames involved in spawning generation after generation of complex creatures, such experimentation is necessarily limited to specimens with short life spans / gestational periods like bacteria, single cell organisms and fruit flies.

(Cf. the phenomenon of the «runners» at first connected with the mother plant and then separated from it; the fluid transition between various plants and animals which appear to be one; the germ - cell inside and outside the parent organism, etc.) Living forms which present what are apparently very great differences in space and time can ontologically have the same morphological principle, so that enormous differences of external form can derive from the material substratum and chance patterns of circumstance without change of substantial form (caterpillar - chrysalis butterfly).

«What we have described as globalization is remarkably close to Teilhard de Chardin's planetization, in which «[mankind, born on this planet and spread over its entire surface, come [s] gradually to form round its earthly matrix, a single, major, organic unity, enclosed upon itself.4 Thus the globalization of humankind could lead to the formation of a new kind of living entity — a social organism — on the same cosmic principle as that by which atoms join to form molecules, molecules join to form mega-molecules, mega-molecules unite to form living cells, and innumerable cells constitute an organism.

We see Nature combining molecules and cells in the living body to construct separate individuals, and the same Nature, stubbornly pursuing the same course but on a higher level, combining individuals in social organisms to obtain a higher order of psychic results.

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).

RS: According to the hypothesis of formative causation, outlined in my book A New Science of Life, systems such as molecules, crystals, cells, organs and organisms are organized by specific morphogenetic fields, which give them their characteristic form and organization.

If, on the other hand, we define evolution in the Darwinian sense — as a process of random mutation and natural selection by which all living beings have arisen by chance from single - celled organisms over 100's of millions of years — we may not be on equally firm ground from a scientific perspective.

This account of «life» as a characteristic of cells means that in the human organism there are billions of centers of life, not one.

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.

No testing of these nanoparticles has been done so far in living cells or organisms.

The living world thrived long before the origin of nucleated organisms [the eukaryotic cells, which have genetic material enclosed in well - defined membranes].

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.

«We have now developed the first model where we can observe the development of a stem cell into a mature blood cell in a living organism.»

The majority of cells in the human body are blood cells, which comprise many different types that are continuously produced during the life of an organism.

These biochemical processes are responsible for a broad range of movement in living organisms, including moving molecules around the interior of a cell or copying DNA into another form of genetic material, RNA.

Modern genetics has revealed that much of the diversity of life on Earth is found in single - celled organisms that reproduce asexually by splitting in two — thus flummoxing the definition.

As such, it is a process of deliberate life relinquishment by an unwanted cell in a multicellular organism.

This process of activating oxygen molecules by adding electrons is ubiquitous — all living organisms use this trick, and modern fuel cells also work in this way.

Organisms, including the single - celled bacteria living in the ocean at that early date, need a steady supply of phosphorus, but «it's very hard to account for this phosphorus unless it is eroding from the continents,» says Aaron Satkoski, a scientist in the geoscience department at the University of Wisconsin - Madison.

In collaboration with the team of Eduard Sabidó at the Proteomics Unit of the Centre for Genomic Regulation and Universitat Pompeu Fabra, the researchers analyzed the proteins in Capsaspora to determine how the organism might be regulating its internal cell processes at different life stageIn collaboration with the team of Eduard Sabidó at the Proteomics Unit of the Centre for Genomic Regulation and Universitat Pompeu Fabra, the researchers analyzed the proteins in Capsaspora to determine how the organism might be regulating its internal cell processes at different life stagein Capsaspora to determine how the organism might be regulating its internal cell processes at different life stages.

The first animals evolved from their single - celled ancestors around 800 million years ago, but new evidence suggests that this leap to multi-celled organisms in the tree of life may not have been quite as dramatic as scientists once assumed.

In contrast to necrosis, which is a form of cell death that results from acute tissue injury and provokes an inflammatory response, PCD is carried out in a regulated process that generally confers advantages during an organism's life cyclIn contrast to necrosis, which is a form of cell death that results from acute tissue injury and provokes an inflammatory response, PCD is carried out in a regulated process that generally confers advantages during an organism's life cyclin a regulated process that generally confers advantages during an organism's life cycle.

Researchers at the Cells - in - Motion Cluster of Excellence at the University of Münster (Germany) have now developed a method enabling them to better evaluate and study the activity of inflammatory cells in mice: they have succeeded in genetically modifying precursors of immune cells, then increasing their numbers in a test tube and finally tracking them spatially and temporally in living organCells - in - Motion Cluster of Excellence at the University of Münster (Germany) have now developed a method enabling them to better evaluate and study the activity of inflammatory cells in mice: they have succeeded in genetically modifying precursors of immune cells, then increasing their numbers in a test tube and finally tracking them spatially and temporally in living organcells in mice: they have succeeded in genetically modifying precursors of immune cells, then increasing their numbers in a test tube and finally tracking them spatially and temporally in living organcells, then increasing their numbers in a test tube and finally tracking them spatially and temporally in living organisms.

The group of imaging specialists led by Prof. Michael Schäfers, Coordinator of the Cluster of Excellence, labelled the cells thus obtained with various fluorescent dyes in order to be able to study them in living organisms — initially with the optical method of fluorescence reflectance imaging.

Life is the dominant source of the molecular oxygen on our planet, as the gas is produced by photosynthesis in plants and microscopic, single - cell organisms.

Potassium channels, present in the cells of virtually living organisms, are core components in bioelectricity generation and cellular communication.

The 2.52 billion - year - old sulfur - oxidizing bacteria are described by Czaja as exceptionally large, spherical - shaped, smooth - walled microscopic structures much larger than most modern bacteria, but similar to some modern single - celled organisms that live in deepwater sulfur - rich ocean settings today, where even now there are almost no traces of oxygen.

These are all questions the researchers hope to answer by studying other kinds of life — such as prokaryotes, organisms devoid of cell nuclei, like bacteria — over longer periods of time, and even in different cities.

Cell regeneration is a biological feature of all living organisms with an important role in growth, wound healing, tissue repair and similar biological functions.

In the cells of humans and other organisms, only a subset of genes are active at any given time, depending largely on the stage of life and the particular duties of the cell.

«The key breakthrough came from using a fruit fly model of human ALS and FTD that allowed us to screen these 400 candidates for ones that block brain cell death in a living organism,» says Lloyd.

«I work on understanding how cells «eat» using machinery based on vesicular carriers, and all my life I've dreamed of seeing this in a live organism,» Tomas Kirchhausen, Ph.D., a professor of cell biology at Harvard Medical School and one of the paper's authors, said in a statement on Thursday.

tissue A large collection of related, similar cells that together work as a unit to perform a particular function in living organisms.

Potassium channels, present in the cells of virtually all living organisms, are core components in bioelectricity generation and cellular communication.

Biochemical reactions that are responsible for the metabolism of living organisms do not proceed in a test tube: most of them take place in a confined space of a cell, on or even within a biological membrane.

For using light to manipulate the activities of brain cells in living animals and for enabling rapid alterations to the genomes of living organisms.

Specifically, I am leading a Project focusing on Nitrogen - Vacancy centers in nanostructured diamond as a means to hyperpolarize nuclear spins for the production of hyperpolarized agents for imaging of cells and tissues in living organisms.

«ENCODE has revealed that most of the human genome is involved in the complex molecular choreography required for converting genetic information into living cells and organisms.»

Over half a dozen labs have succeeded in culturing colonies of organisms of this minute size, and some of these labs have succeeded in obtaining DNA, detecting the organic chemistry of living tissue, and even revealing structure of cell walls or membranes.»

We humans have descended from organisms that adapted to living in a prokaryotic world, and we humans retain (conserved in evolutionary terms) in our Eukaraotic mitochondria the cellular machinery to power our cells that we inherited (i.e., Endosymbiosis) from the prokaryotes of deep time on earth.

An organism's genes are essentially its blueprints, painstakingly detailed strands of DNA in every living cell.