Sentences with phrase «inside cell membranes»

Tucked away inside cell membranes, a molecular butcher does the bidding of healthy cells but also of disease agents.
All organisms alive today keep their DNA, RNA, and proteins together inside cell membranes.
Most microbes conduct electron transactions deep in their own recesses, where the enzymes are; as a consequence, the organisms tend to seek out soluble electron receptors like oxygen that can slip inside the cell membrane, nab electrons, and slip out again.
The «rotation model» Ligand binding to the extracellular part of the receptor induces rotation of the receptor's transmembrane region inside the cell membrane, and in doing so, regulates its activity inside the cell.
Is incorporated inside a cell membrane?

Not exact matches

While cold air can stop tomatoes from ripening — a good thing if you want to keep them around for longer — refrigeration also breaks down cell membranes inside the fruit, diminishing its flavor and texture.
These cells consisted of a fatty cell membrane, like a balloon skin, with DNA / RNA, proteins, fats and carbohydrates on the inside.
The mitochondria are located in the cytosol of the cells, outside of the cell nucleus; the cell's DNA genome is located inside the nuclear membrane.
About 60 percent of the cells returned to Earth with their cell membranes intact and the DNA inside still stable.
Analysis showed that within the moss protonema cells, more that 85 % of the lead had accumulated in the cell walls, with smaller amounts being found in organelle membranes and inside the chloroplasts where photosynthesis occurs.
«Lipids play a vital role in cellular function, because they form the membranes that surround each cell and many of the structures inside of it,» Quinlivan said.
These receptors are found in the cell membrane and handle the communication between the outside and the inside.
Those cells naturally bud off exosomes — tiny bubbles made of cell membrane — that carry the virus inside them.
At some point, Martin speculates, the bacterium gave the archaean a gene for membrane synthesis, leading to a bubbling up of membrane within the host cell, something like what happens when modern eukaryotes divide and then reform their nucleus from membrane pieces grown inside them.
To avoid death, cells must remove fluoride that has accumulated inside them, a process accomplished via ion channels - protein tunnels through the cell membrane that only allow specific substances to pass through.
A team led by Carnegie's Wolf Frommer has revealed how membrane proteins were networked with each other and with the signaling proteins inside the cell.
In healthy cell membranes, phospholipids called phosphatidylserine (PS) and phosphatidylethanolamine (PE) are located in the inner membrane leaflet facing the inside of the cell.
And the first thing that begins to happen is carbon dioxide builds up inside the body, and with it there is a rise in acidity; that acidity rise contributes to cellular membranes decaying and then collapsing and then digestive enzymes that were already always present in the cells begin to slosh around to the body and [it] begins a state of what's called self digestion, so the body begins to liquefy inside rather literally.
And it would allow scientists to deliver proteins that act inside cells or span their membranes, which are a challenge to introduce from the outside.
When a cell membrane is punctured, it induces a current between the inside and outside of the cell.
In one, researchers working with mice at the Institute of Molecular and Cellular Biology in Singapore used antibodies to target proteins inside cancer cells — an impressive feat, since the antibodies were long considered too large to cross the cancer cell's outer membrane.
The authors observed that once proteins get inside the cell, they enter vesicles (small compartments that are encased in membranes).
Inside the reactor, the cell - and - chemical mixture is surrounded on three sides by polycarbonate; on the fourth side is a flexible and gas - permeable silicone rubber membrane.
Ordinarily, malaria - causing parasites seal themselves behind two membranes inside red blood cells of infected people.
This difference makes getting into cells more difficult: Whereas membrane - clad viruses can fuse their membrane with the cell, much like two soap bubbles merging, SV40 needs to find another way inside.
Thus they can damage a cell's membrane or the membranes of various cell structures that exist inside the cytoplasm of cells.
Once inside, the proteins fold into their proper shape and are shuttled to the cell membrane for release.
Many people think of cells as watery balloons — fluid encased in a membrane sheath with organelles floating around inside.
As a result, a small portion of the membrane will then invaginate and ultimately pinch off to produce a vesicle inside the cell.
When enough of the organisms gather together in a confined space, the compound becomes so concentrated that it permeates back through the cell membranes to combine with receptors inside the bacteria.
The plasma membrane works between the machinery on the inside of the cell and the outside fluid that bathes the cells.
The researchers created antibodies to bind specifically to the reflectin proteins, which revealed that the reflectins are located exclusively inside the lamellae formed by the folds in the cell membrane.
Like all steroid hormones, estrogens readily diffuse across the cell membrane; inside the cell, they interact with estrogen receptors.
The mutation occurs in the gene ACVR1, and this gene produces a protein that is a receptor that spans the cell membrane — so part of the receptor is outside of the cell, and part is on the inside.
Membrane ruffles surround and engulf extracellular fluid (top panels), creating the spherical intracellular vacuoles seen inside the cell (bottom panels).
For the first time, scientists have demonstrated a simple charge - based mechanism for regulating the formation and dissolution of liquid - like structures that lack outer membranes inside cells.
Palmitate allows these proteins to transfer chemical signals from outside the cell to inside via the cell membrane.
In their latest research, Lawrence Rajendran, of the University of Zurich in Switzerland, and his colleagues discovered that, unlike non-amyloid proteins, the Alzheimer's - associated amyloid precursor protein is cleaved by β - secretase in membrane - bound compartments inside cells, called endosomes.
Auxin pumps, green in these images, are normally nestled in plant cell membranes (left) but accumulated insides the cells when blocked by an inhibitor (right).
In addition, we have devised an «optical tweezers» that uses laser beams to hold and move organelles inside of cells without puncturing the intervening membranes.
They hope to design peptides that can permeate cell membranes and go inside living cells.
Exosomes form inside cell compartments and release outside the cell when these compartments fuse with the cell's surrounding membrane.
The result could be useful for understanding the movement of water when squeezed inside tiny channels, for instance, in carbon nanotubes or cell membranes.
Dystrophin is responsible for linking the cell membrane to contractile proteins such as actin and allows the contraction force inside cells to be transmitted to the outside.
The outermost layer of our skin is composed of dead squamous epithelial cells, as are the mucous membranes lining the inside of mouths and body cavities
These signals control actin fibers, the cell's muscles: The fibers bend the cell envelope from inside and form membrane bubbles into which the bacteria are absorbed.
I studied the process called signal transduction - transmission of the activating mechanical signal from outside the cell, across the cellular membrane, to FAK inside the cell, leading to the activation of the kinase.
Using zymonic acid it is furthermore possible to specifically investigate the pH value outside of the cell membrane: With other biosensors it is often not clear whether measured changes take place inside or outside of the cell (intracellular or extracellular).
Eukaryotic cells enclose their elements, or organelles, inside a membrane.
A bacterium consists of an outer wrapper called the cell membrane, and inside the membrane is a watery fluid called the cytoplasm.
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