Sentences with phrase «which cell components»

How do the autophagosomes know which cell components should be delivered to the lysosome?
«The DNA sequence itself tells us very little about how cells actual decodes the DNA, and to understand this we need to map out which cell components are present in different parts of the genome at a specific time.

Not exact matches

Many of these mutants are likely non-viable; however, many will have subtle changes to their functional components, including the HA gene which allows the virus to bind host cells, and NA gene which allows the virus to escape from host cells.
Now Monod shows that the machinery by which the cell (Or at least the non-primitive cell, which is the only one we know) translates the codes «consists of at least fifty macromolecular components which are themselves coded in DNA.»
One may then speculate that the emotional character of the experience in the cells in the grass are somewhat replicated in the emotional component of their prehension in the mode of causal efficacy from which the sense datum, green, arises visually.
It may be thought of as a supermolecule composed principally of C, H, O, N, P and S. Multicellular organisms, including man, are in turn not mere aggregations of cells, but so tightly organized that they may be considered super-super-molecules, ultimately with properties which are wholly those of the component atoms in the very complex combination.
The question is whether, at one extreme, the mind of the Universe is all - knowing and omnipotent, or at the other, it is merely that which is superimposed on the point - to - point interactions of the minds of the components as the integrating factor, in much the same relation as that of my mind to the minds of my cells and lower entities in the hierarchy of existence.
Fresh mango is a rich source of potassium, which is an important component of cell and body fluids that helps to control heart rate and blood pressure.
Their prime components are load cells, which have the ability to withstand maximum loads.
These are some bioactive components and cells which have a substantial potential to improve health outcomes in the short and long - term.
Human milk is a bodily fluid which, apart from being an excellent nutritional source for the growing infant, also contains a variety of immune components such as antibodies, growth factors, cytokines, antimicrobial compounds, and specific immune cells [9].
It features safe cell impact protection which is and integrated of safety components that ensure protection for your child.
Yoshinori Ohsumi, the most recent prizewinner, used baker's yeast to identify genes crucial in autophagy, the process by which cells recycle their components.
Beth Levine at the University of Texas in Dallas discovered that, in mice, autophagy — the process by which a cell recycles dispensable components for extra energy — increases 30 minutes into exercise.
In order to obtain such a third - generation biofuel from algae, polysaccharides like cellulose, which are main components of cell walls, have to be dissolved.
Instead of sending sunlight directly to the solar cell, thermophotovoltaic systems have an intermediate component that consists of two parts: an absorber that heats up when exposed to sunlight, and an emitter that converts the heat to infrared light, which is then beamed to the solar cell.
Using the new methods of micromachining, which borrow technology for making computer chips to carve out and build up microscopic structures on silicon wafers, Peter Gammel and his colleagues at Bell Labs / Lucent Technologies reduced three of the critical devices of a cell phone to Lilliputian size that will allow all the components of a phone to be constructed on a single chip.
Roughly speaking, ChIP sequencing can be compared to a microscope, which enables us to observe the presence of different cell components in the entire genome at a given time.
Another component senses changes in the electrical current flowing through the generated sweat, which measures alcohol levels and sends them to the user's cell phone.»
Most theorists assume that such a complex concept would have to be supported by large populations of cells, each of which corresponds to one component of the object (the bun, the bifocals, the leather miniskirt).
The reaction begins when an antibody activates a component of the immune system known as a mast cell, which then blasts out a barrage of chemicals.
DNA sequencing is used for mapping the sequence of the base pairs, which our DNA consists of, and ChIP sequencing is a derived method in which the sequences are used to determine the presence of different cell components in the genome at a given time.
It belongs to a group of chemicals called reactive oxygen species (ROS), which scientists suspect to have a damaging effect on cells and their components.
The Rho - kinase inhibition stimuli under low oxygen conditions (of 5 percent oxygen atmosphere), which is a condition corresponding to conditions in the body's cartilage, produced a more effective increase in chondrocyte - specific gene expression and synthesis of extracellular matrix components by HCS - 2 / 8 cells.
The researchers found that the binding of auranofin takes place through an allosteric, «action - over-a-distance» mechanism within the nucleosome, which is the component that contains the cell's packaged DNA.
They gave DON and an altered derivative, dubbed 5c, intravenously to two monkeys and, 30 minutes later, measured the amount of the drugs in the monkeys» cerebrospinal fluid and circulating plasma, which is the liquid portion of blood that remains after blood cells, platelets and other cellular components are removed.
They also gave old mice infusions of young blood plasma (the liquid component of blood containing proteins and hormones but no cells), which significantly improved their performance in learning and memory tests.
To simulate an infection, mice were injected with lipopolysaccharides (a component of the bacterial cell wall), which results in an immune response and generalized disease symptoms.
Histones are the chief protein components of chromatin, which is a complex of molecules consisting of DNA and protein found in cells.
HDAC3 functions on the epigenome, the molecular component of the cell nucleus that specifies which genes are expressed — and just as importantly, which ones are not — in different cells of the body.
Little has been known about the ways in which many diabetes genes work, but a study published in the journal Cell sheds light on a genetic risk component of type 1 diabetes and a new approach for keeping beta cells strong.
Lignin, which forms in the plant cell wall, is an essential component for tree growth that imparts strength and density to timber.
Although cholesterol is a key structural component of cell membranes and is vital for the biosynthesis of certain hormones and vitamins, high levels can lead to the formation of arterial plaques, which are a major risk factor for coronary heart disease.
This metabolic demand makes brain cells particularly vulnerable to damage from oxidative stress, in which reactive oxygen species (ROS), sometimes called free radicals, exert toxic effects on cellular components.
Now, scientists have discovered a key component of this ancient navigational system in rats: a group of neurons called «speed cells» that alter their firing rates with the pace at which the rodents run.
The team led by Professor Toru Dairi, from Hokkaido University's Graduate School of Engineering, focused on the biosynthesis of D - Glutamate (Glu), which is a component of cell walls.
This kind of cell membrane can be described as a fluid 2 - D solution, in which the components are able to move laterally.
The trouble is that the virus targets not only the lymphocyte cells, which include T cells — a key component of the body's immune system helping to fight diseases — but also other immune system cells.
This year's Nobel Prize in Physiology or Medicine has been awarded to Yoshinori Ohsumi, a cell biologist at the Tokyo Institute of Technology's Frontier Research Center, for his work on autophagy, the process in which cells degrade and recycle cellular components.
Snake and reptile venoms typically don't work for this type of research because most of them function as hemotoxins (which destroy red blood cells) and target components of the cardiovascular system, King says.
Malinski's team has developed unique methods and systems of measurements using nanosensors, which are about 1,000 times smaller in diameter than a human hair, to track the impacts of Vitamin D3 on single endothelial cells, a vital regulatory component of the cardiovascular system.
Alpha - synuclein is the primary structural component of Lewy bodies, which are clumps of protein that develop inside nerve cells in Parkinson's disease and some other disorders.
In addition to quantitative mineralogy, Rietveld refinements also provide unit - cell parameters for the major phases, which can be used to infer the chemical compositions of individual minerals and, by difference, the composition of the amorphous component.
The cut is fine with fuel cell component - maker BASF, which opened a new facility to manufacture membranes for high - temperature fuel cells in Somerset, N.J. this Wednesday — the 72nd anniversary of the Hindenburg disaster.
Cells put a lot of effort into preventing proteins — which are like a string of beads arranged in a precise three - dimensional shape — from unraveling, since a protein's activity as an enzyme or structural component depends on being properly shaped and folded.
The cell walls of the FHB - resistant variety had a particular composition of lignin — a structural component which plays a crucial role in cell wall reinforcement — and showed unique compositions of other structural components including pectin and hemicellulose.
Most theorists assume that such a complex concept must be supported by large populations of cells, each of which corresponds to one component of the object (the bun, the bifocals, the leather miniskirt).
Glycolaldehyde is a key component in RNA, which may have driven the development of the first living cells on Earth.
As we age, the nitric oxide meant to cause dilation is increasingly destroyed by reactive oxygen species such as superoxide, which are produced by many components of our body's own cells, including organelles called mitochondria.
This new novel cathode material enables the fuel cell designers have more flexible choices on the materials of fuel cell components, which leads to the lower fuel cell cost and, finally, to the step closer to the highly efficient and reliable fuel cells.
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