How to use cell membrane in a sentence

Looking for sentences with "cell membrane"? Here are some examples.

Sentence Examples Nystatin is a polyene antifungal drug that binds directly to ergosterol in the cell membrane. Abundant basal lamina, interdigitating cell membrane, rough endoplasmic reticulum, and pinocytotic vesicles were seen in all 3 cases. In conclusion it will be noted that the rate of loss of cholesterol from the cell membrane depends on the chemical activity of cholesterol. During endocytosis, the cell membrane on which the toxin sits gradually encircles the protein complex in an acidic sac or endosome. The very property that makes it useful in the cell membrane, namely its insolubility in water, also makes it lethal. Many soybean herbicides utilized for broadleaf control are cell membrane disrupters. Specialized structures were present, including microvilli of varying length, desmosomes, and cell membrane interdigitations. As in most other animals, the sperm mitochondria penetrate the cell membrane of the ovum at fertilization. A vegetative physiological parameter widely used to study plant tolerance to temperature is cell membrane thermostability. The enzyme splits and hydrolyzes dietary lactose into glucose and galactose for transport across the cell membrane. The peptides can be linked to a large protein or an oligonucleotide, which may then be carried through the cell membrane. Cutting out neuraminic acid from the cell membrane weakens the cell membrane. The insertion of the fusion peptide in the host membrane provides the necessary link between the viral envelope and the cell membrane. This may be true, but chemically the cyanide will adsorb onto a cell membrane increasing the electron donor or antioxidant capacity of the cell. This charge-shift couples with an electric field within a cell membrane, resulting in electrochromism. Action potentials are elicited when tiny pores in the nerve cell membrane, known as sodium channels, open up in response to a stimulus. Necrosis is a spontaneous and unregulated process that results in disintegration of the cell membrane and its organelles. In this stage, the viral membrane and the host cell membrane are linked and reversible conducting pores are formed. The efflux of potassium ions hyperpolarizes the cell membrane, resulting in vascular smooth muscle relaxation. There are many other structures associated with cells in addition to the cell membrane. Show More Sentences The cell membrane was found to be the most sensitive to the shock wave propagation among the cell components. Polarization or depolarization of the membrane voltage opens the gate subunits and permits a flood of calcium ions through the cell membrane. The infection of a cell by a virus is a complicated multistage process during which the virus penetrates the host cell membrane. This does not happen, however, because the cell membrane itself is impermeable to ions like sodium and potassium. Electroporation designates the use of short, high voltage pulses to transiently permeabilize the cell membrane. Chlorosomes, found only in green photosynthetic bacteria, are large supramolecular sac-like complexes that are attached to the cytoplasmic side of the inner cell membrane. Some substances, such as weak acids or bases in their undissociated form, are soluble in lipids and will dissolve in the lipid bilayer of the cell membrane. The ribitol teichoic acid is usually in the cell wall, and the glycerol teichoic acid is in the cell membrane, the periplasmic region, or in the cell. The rates at which biologically important molecules cross the cell membrane through permeation vary over an enormous range. This cylinder of nine triplets, constituting the basal body, anchors the flagellum in the cell membrane. The flagellum is attached at its base to a basal body in the cell membrane. Many substances do not actually cross the cell membrane through permeation of the lipid bilayer. The minus ends of these microtubules are embedded in the centrosome, while the plus ends terminate near the cell membrane. The plant cell membrane is enclosed within this meshwork of cellulose. Plasmodesmata are lined with cell membrane, in effect uniting all connected cells with one continuous cell membrane. Cholesterol can also sterically block large molecules of fatty acyl chains, making the cell membrane less fluid, thus controlling the membrane fluidity. Indicate the following on your model or picture: cell wall, cell membrane, vacuole, nucleus, chloroplast. Golgi vesicles fuse with the cell membrane and discharge their contents into the exterior of the cell through a process called exocytosis. Furthermore, a high pH causes denaturation of cell membrane proteins and extra-cellular toxins. The fragility of the cell membrane in fat increases the risk of fat and nitrogen emboli. Show More Sentences Other plasticizers do not have the same stabilizing effect on the red cell membrane. Synthetic small interfering RNA molecules can be introduced into cells by using reagents such as cationic lipids to promote uptake across the cell membrane. Genetic defects of the red cell membrane may cause the red cells to assume a spherical rather than a biconcave shape, or alter their configuration to an elliptical form. There is no evidence of toxicity related to the pure form of milk thistle, and there is weak evidence of a hepatocyte plasma cell membrane protective effect. There is also evidence that RNA synthesis is selectively inhibited and the permeability of the cell membrane is altered by vancomycin. This cytoskeleton connects the cell membrane to signalling molecules inside the cell and may also bind directly to some signalling molecules. Students should become familiar with and be able to use the terms cell wall, cell membrane, vacuoles, nucleus, cytoplasm, and chloroplasts. He proposed what he thought to be a more appealing analogy: the cell membrane blows up. But if life started inside a cell membrane, how did the necessary nutrients get in? The minicells are generated from mutant bacteria which, each time they divide, pinch off small bubbles of cell membrane. Bulges on the surface are meeting rooms and are intended to represent the proteins embedded in a cell membrane. Each muscle fibre is surrounded by a cell membrane, which allows the contents of the fibres to be quite different from that of the body fluids outside them. Neurosteroids can therefore alter neuronal excitability very rapidly by binding to receptors for inhibitory or excitatory neurotransmitters at the cell membrane. Chlorine dioxide affects the cell membrane by changing membrane proteins and fats and by prevention of inhalation. The resulting decline in the quality of refrigerated RBCs has been strongly linked to changes that occur in the cell membrane. A few cells have numerous tiny blebs on the cell membrane and orange nuclei colored with EtBr, which indicates some disturbance of the plasma membrane permeability. Because it is misshapen, the protein is destroyed by the cell's housekeeping machinery and never gets to its intended location in the cell membrane. We hypothesized that its nearest binding partners would be the lipids within the cell membrane. The cell membrane contains transport proteins that translocate cytotoxic compounds toward the exterior of the cell. The most common congenital disorder affecting cell membrane transport is cystic fibrosis. Show More Sentences Amino acids and di-peptides cross the cell membrane by active transport and facilitated diffusion, which are mechanisms that require metabolic energy. The leak elements, channels, and so-called facilitated transporters confer upon the cell membrane selective leakiness or, more properly, selective permeability. Diffusion and facilitated diffusion are two examples of passive transport. Passive transport is transport through a cell membrane that does not require energy. The lack of pulsation in the middle of a target cell as opposed to a healthy specimen is due to the fact that the cell membrane has collapsed on itself. Specific high-affinity binding of buserelin was observed in dispersed luteal cells, membrane-rich particles from luteinized rat ovary, and rat ovarian granulosa cell membrane preparation. The assumption was that it somehow leaked through the cell membrane. The air pockets will produce great impact force on fat cells, and in the meanwhile, they will make the cell membrane produce the inner cracking, thus dissolving the triglyceride to be the glycerin and free fatty acid. In addition, red cell ghosts encapsulated with enzymes have been used in patients to treat specific enzyme deficiencies, particularly when the substrate can cross the red cell membrane. Intel says that it can keep the law going for at least another ten years, eventually slimming its transistors down to 5nm, about the thickness of a cell membrane. Our current work will eventually be expanded to include an examination of the effect of various cell membrane constituents and other molecules found within the senile plaques. Other phospholipids are transferred through the cytoplasm to other membranous structures, such as the cell membrane and the mitochondrion, by special phospholipid transfer proteins. After establishing a tight junction with the erythrocyte membrane, the merozoite actively enters into what looks like an invagination of the red cell membrane. Bending the cilia in one direction causes the cell membrane to depolarize, while hyperpolarization is induced by movement in the opposite direction. This leads to an increase in the permeability of the cell membrane to chloride ions with hyperpolarization of the nerve or muscle cell, resulting in paralysis and death of the parasite. When the cells are stimulated by vasopressin, the aquaporins fuse with the region of the cell membrane that is exposed to urine, allowing water to enter the cells. Like the cell membrane, membranes of some organelles contain transport proteins, or permeases, that allow chemical communication between organelles. Glycoprotein allows the virion to attach to a receptor on the host cell surface and thereby fuse with the host cell membrane, leading to infection. The rickettsias, which range in size from 250 nanometres to more than 1 micrometre and have no cell wall but are surrounded by a cell membrane, cause a group of diseases characterized by fever and a rash. In this process the cell membrane engulfs portions of the external medium, forms an almost complete sphere around it, and then draws the membrane-bounded vesicle, called an endosome, into the cell. Secretory proteins and glycoproteins, cell membrane proteins and glycoproteins, lysosomal proteins, and some glycolipids all pass through the Golgi structure at some point in their maturation. Show More Sentences The patch-clamp technique electrically isolates a small patch of neuron or muscle cell membrane by applying the tip of a micropipette filled with conducting solution to the membrane and forming a tight seal with it. In a healthy Schwann cell, the cell membrane is enriched in plasmalogens. In most cells, microtubules grow outward, from the cell centre to the cell membrane, from a special region of the cytoplasm near the nuclear envelope called the centrosome. Protein C, a vitamin K-dependent protein, is a zymogen that requires vitamin K for its activation by thrombin complexed to thrombomodulin, a protein on the endothelial cell membrane. Timolol maleate combines reversibly with a part of the cell membrane, the beta-adrenergic receptor, and thus inhibits the usual biologic response that would occur with stimulation of that receptor. The action is one of exocytosis: the vesicle and the cell membrane fuse, allowing the proteins and glycoproteins in the vesicle to be released to the cell exterior. In exocytosis, material synthesized within the cell that has been packaged into membrane-bound vesicles is exported from the cell following the fusion of the vesicles with the external cell membrane. Mass transport of larger molecules into the cell occurs in a process called endocytosis, while transport of molecules out of the cell through the cell membrane, is correspondingly called exocytosis. It works by inhibiting the synthesis of ergosterol, a critical component of fungal cell membrane. The CD 117 protein is located in the cell membrane of all cells expressing the kit proto-oncogene. At the end of fermentation, the yeast cell membrane is rich in sterols and PUFA and therefore better able to resist high alcohol levels at the end of fermentation. These high concentrations cause the entry, via osmosis, of water into the vacuole, which in turn expands the vacuole and generates a hydrostatic pressure, called turgor, that presses the cell membrane against the cell wall. This transmembrane voltage gradient arises from the presence of ion-specific voltage-sensitive channels that are made up of proteins and are embedded in the lipid layers of the cell membrane. Intensive active ingredients and an exclusive caviar extract repair the cell membrane, regulate the moisture level of the skin and smooth fine lines and wrinkles around the eyes. It intensifies the action of anticancer agents such as Taxol, by helping the transfer of the agent through the cell membrane and by preventing its elimination from the cell. These levels, particularly those of calcium, are extremely important for the maintenance of normal neuromuscular function, interneuronal transmission, cell membrane integrity and permeability, and blood coagulation. Yeast cell wall is made up of the cell wall and the cell membrane. These are generated by ions moving across its cell membrane. He will also examine how inflammatory molecules affect the movement of bicarbonate and water across the cell membrane, which may have consequences for the volume of airway surface liquid. Gamma-sarcoglycanopathy, also known as limb-girdle muscular dystrophy type 2C, is due to a deficiency in a protein of the cell membrane structure of the muscle fibres: gamma-sarcoglycan. Show More Sentences In cells, vitamin E contributes to cell membrane stability, regulates cell membrane fluidity, and protects cellular components from oxidative damage. Calcium is the fifth most abundant element in the body and is essential for maintenance of the functional integrity of nervous, muscular and skeletal systems, and cell membrane and capillary permeability. We have shown the capacity of lipid rafts to move in the membrane diminishes, partially as a result of an increase in cholesterol in the cell membrane. The long allele is more efficient, resulting in increased gene expression and thus more serotonin transporters in the cell membrane. However, research revealed that Rous sarcoma virus takes a detour through the cell nucleus before going to the cell membrane. Liposomes are artificially-prepared vesicles that are made out of the same material as a cell membrane, a lipid bilayer. In their study, the scientists confirmed that MurJ flips a tatty molecule from one side of a bacterial cell membrane to the other. However, for cancerous cells, the way the ions are transported across its cell membrane changes, thus blocking the process of apoptosis. Fuel cell membrane developer PolyFuel has doubled shipments of its engineered membranes in the last six months. This company is evaluating Hoku Scientific's fuel cell membrane technology for integration into its fuel cell vehicles. Dicoumarol activates Ca-permeable cation channels triggering erythrocyte cell membrane scrambling. Porphysomes were developed while trying to examine porphyrin properties in liposomes, an artificial cell membrane made of a phospholipid bilayer. While one of the least common mechanisms of antibiotic action, cell membrane disruption is accomplished by the use of the polyenes. Electropermeabilization entails using short high-voltage pulses to overcome the barrier of the cell membrane. The protein is an enzyme that Plasmodium falciparum, the protozoan that causes the most lethal form of malaria, uses to make cell membrane. Microvesicles are larger than exosomes and are released into the extracellular space by outward budding of the cell membrane. Nucleosides from the media may be transported across the cell membrane compenstating for the antifolate inhibition of biosynthesis of these nucleotide precursors. The lipid peroxidation is an autooxidative process started by free radicals and the cell membrane unsaturated fatty acids are very susceptible to them. According to the researchers of Duke University, the new antibody works by targeting the voltage-sensitive sodium channels in the cell membrane of neurons. The RET proto-oncogene encodes a cell membrane receptor tyrosine kinase. Show More Sentences Local anaesthetics cause reversible blockade of impulse propagation along the nerve fibres by preventing the influx of sodium ions through the cell membrane of the fibres. After uptake of TYR by sympathetic nerves via the cell membrane norepinephrine transporter and translocation of axoplasmic TYR into vesicles, NE exits the vesicles. In vivo, dysregulation of enzymatic conversion of the cell membrane phospholipid sphingomyelin to ceramide by SMase leads to a change in ceramide concentration. Grayanotoxin is a neurotoxin that binds to the sodium channels in the cell membrane, maintaining them in an open state and prolonging depolarisation. Third, contrast nanoparticles for cell imaging will be delivered into the cytosol of mammalian cells through VNB induced cell membrane perforation. Phlorhizin protects against erythrocyte cell membrane scrambling. Macrophages phagocytose the cells during apoptosis before cell membrane rupture, thereby reducing the inflammatory response that occurs due to release of cell contents. Examples from Classical Literature No breathing organs are seen, because osmosis of oxygen and carbon dioxide may take place anywhere through the cell membrane. The cell membrane of this class contains no pure cellulose, but a modification called fungus cellulose. A cell consists of a mass of protoplasm, generally enclosed in a cell membrane, and containing a nucleus and nucleolus. The outer covering, or cell membrane, of the globular egg remains undivided. Find more words! 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Words that rhyme with cell membrane What is the plural of cell membrane? Use our Sentence Generator Nearby Words cell-mediated immunity cellmate cellist Cellini celling celli cello cellobiose celloidin cellophane cellos cellphone