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Page "Stem cell" ¶ 45
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These and signal
These devices convert a sound pressure wave to or from an electric signal.
These neurons communicate with one another by means of long protoplasmic fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells.
These generalizations of the convolution have applications in the field of numerical analysis and numerical linear algebra, and in the design and implementation of finite impulse response filters in signal processing.
These coders use a model of the sound's generator ( such as the human vocal tract with LPC ) to whiten the audio signal ( i. e., flatten its spectrum ) prior to quantization.
These are used as electronic switches, to permit the signal to go one direction, then the other.
These can be implemented as analog circuits ( for instance, using a Sallen Key filter topology, a type of active filter ), or as algorithms in digital signal processing systems.
These employ piezoelectricity to generate the musical signal and are popular in hybrid electro-acoustic guitars.
These at their simplest consist of passive components such as potentiometers and capacitors, but may also include specialized integrated circuits or other active components requiring batteries for power, for preamplification and signal processing, or even for assistance in tuning.
These modifications may also form a signal sequence which determines the final destination of the protein.
These G proteins are used in the signal transduction of taste and smell.
These proteins act to accelerate hydrolysis of GTP to GDP and terminate the transduced signal.
These variants allow very fast and high signal to noise ratio image capture.
These hints of a prominent role for the MAM in the regulation of cellular lipid stores and signal transduction have been borne out, with significant implications for mitochondrial-associated cellular phenomena, as discussed below.
These are methods to transfer a digital bit stream over an analog baseband channel ( a. k. a. lowpass channel ) using a pulse train, i. e. a discrete number of signal levels, by directly modulating the voltage or current on a cable.
These audio tones, then, modulate an SSB transmitter to produce the final audio-frequency shift keying ( AFSK ) radio frequency signal.
These tones are fed to the demodulator part of the modem, which processes them through a series of filters and detectors to recreate the original digital signal.
These result in either the activation of an enzyme in the receptor or the exposure of a binding site for other intracellular signaling proteins within the cell, eventually propagating the signal through the cytoplasm.
These adapters activate other intracellular molecules such as IRAK1, IRAK4, TBK1, and IKKi that amplify the signal, eventually leading to the induction or suppression of genes that cause certain responses.
These lines are typically inserted into the vertical blanking interval of the video signal.
These probes provide a durable, reliable mechanical and electrical connection between the probe and the circuit board with less than 0. 5 to 0. 7 pF loading per signal.
These signal wires carry two copies of the same signal, but with opposite polarity.
These conditions ensure that external noise affects each leg of the differential line equally and thus appears as a common mode signal that is removed by the receiver.
These limits correspond to the reference signal ( red ), offset by a given value.

These and pathways
These techniques allowed for the discovery and detailed analysis of many molecules and metabolic pathways of the cell, such as glycolysis and the Krebs cycle ( citric acid cycle ).
These can be converted in the following pathways:
These include concentration gradients of small molecules such as calcium, large complexes of enzymes that act together to carry out metabolic pathways, and protein complexes such as proteasomes and carboxysomes that enclose and separate parts of the cytosol.
These studies can also give useful information about pathways for metamorphism through pressure, temperature, space, and time.
These striking similarities in metabolic pathways are likely due to their early appearance in evolutionary history, and being retained because of their efficacy.
These pathways occur within all living organisms in some form:
These regions are all interconnected by means of complex neural pathways.
These inserted membrane proteins can initiate environmental sensing and intracellular signaling pathways.
These two structures, along with the putamen, interact through a series of direct and indirect inhibitory pathways.
These enzymes are involved in a multitude of physiological reactions from simple digestion of food proteins to highly regulated cascades ( e. g., the blood-clotting cascade, the complement system, apoptosis pathways, and the invertebrate prophenoloxidase-activating cascade ).
These developmental trajectories suggest the existence of antisocial pathways in certain individuals, which have important implications for both research and treatment.
These motor pathways, including the lateral corticospinal tract, are located in the lateral and ventral funiculi of the spinal cord.
These nerves release acetylcholine and substance P, which activate the IP3 and DAG pathways respectively.
# These culture zone differences reflect different historical pathways of how entire groups of societies entered modernity.
These pathways account for people ’ s different senses of existential security and individual agency, which in turn account for their different emphases on secular-rational values and self-expression values.
These active pathways are known as Signal 1 of T cell activation, as it is the first and primary pro-activation signal in a T < sub > h </ sub > cell.
These four centers routinely attract the college's best students and are a model for the kinds of integrated educational pathways the College offers its students.
These pathways are relatively smaller contributors to global carbon fixation than that catalyzed by RuBisCO.
These regions are often modular and serve a particular role within the general pathways of the nervous system.
These hormones play a role in multiple pathways in vertebrae neurophysiology and endocrine system including reward and complex biochemical stimulation pathways for regulation of lipid synthesis or similar sex steroids.
These attributes of lantibiotics have led to more detailed research into their structures and biosynthetic pathways.
These pathways include the tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve.
These are secreted through various nonclassical pathways.

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