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Many of the cells and microorganisms which are transparent to visible light, absorb or reflect the much shorter wavelengths of the ultraviolet spectrum.
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Many and cells
Many cells, bacteria, and other microorganisms are transparent to visible light and must be stained for microscopic investigation.
Many protists also exist as individual amoeboid cells, or take such a form at some point in their life-cycle.
Many types of specialized plasma membranes can separate cell from external environment: apical, basolateral, presynaptic and postsynaptic ones, membranes of flagella, cilia, microvillus, filopodia and lamellipodia, the sarcolemma of muscle cells, as well as specialized myelin and dendritic spine membranes of neurons.
Many green algae, such as the Dasycladales encase their cells in a secreted skeleton of calcium carbonate.
Many plant cells have walls that are strong enough to withstand the osmotic pressure from the difference in solute concentration between the cell interior and distilled water.
Many cells have only a single mitochondrion, whereas others can contain several thousand mitochondria.
Many neurons have only one axon, but this axon may — and usually will — undergo extensive branching, enabling communication with many target cells.
Many of the features found in human ovaries are common to all vertebrates, including the presence of follicular cells, tunica albuginea, and so on.
Many argue that these are not themselves alive in the traditional sense, but these structures exhibit many of the characteristics of cells accepted as living cells:
Many transcription factors, especially some that are proto-oncogenes or tumor suppressors, help regulate the cell cycle and as such determine how large a cell will get and when it can divide into two daughter cells.
Many neurons in the rat and mouse hippocampus respond as place cells: that is, they fire bursts of action potentials when the animal passes through a specific part of its environment.
Many cells can completely undergo interphase without centrioles.
Many cyanobacteria even display the circadian rhythms that were once thought to exist only in eukaryotic cells ( see bacterial circadian rhythms ).
Many cells also possess a calcium ATPase, which can operate at lower intracellular concentrations of calcium and sets the normal or resting concentration of this important second messenger.
Many lichens reproduce asexually, either by vegetative reproduction or through the dispersal of diaspores containing algal and fungal cells.
Many bacteria can be found deep in the mucus, which is continuously secreted by mucus-secreting cells and removed on the luminal side.
Many starfish also possess individual photoreceptor cells across their bodies and are able to respond to light even when their eyespots are covered.
Many cells bind to components of the extracellular matrix.
Many cells possess these receptors, and the binding of an agonist will generally cause a sympathetic ( or sympathomimetic ) response ( e. g. the fight-or-flight response ).
Many forms of cutaneous and mucosal allergy are mediated for a large part by mast cells ; they play a central role in asthma, eczema, itch ( from various causes ) and allergic rhinitis and allergic conjunctivitis.
Many cancer cells are considered ' immortal ' because telomerase activity allows them to divide virtually forever, which is why they can form tumors.
Many pre-invasive lesions in cases of squamous cell carcinoma often regress after long-term reduced exposure of the affected cells and tissues to the original environmental carcinogenic stimulus, such as that seen after long-term abstention from tobacco smoking.
Many are asymmetrical, the cells twisting sideways and then untwisting again prior to division, which often takes place within cysts.
Many and microorganisms
Many types of microorganisms have intimate symbiotic relationships with other larger organisms ; some of which are mutually beneficial ( mutualism ), while others can be damaging to the host organism ( parasitism ).
Many of the Earth's microorganisms are involved in the formation of minerals in a process called biomineralization.
Many anaerobic microorganisms carry out Anaerobic Glycolysis through Fermentation.
Many processes in the Earth's surface essential for the conditions of life depend on the interaction of living forms, especially microorganisms, with inorganic elements.
Many microorganisms in dark regions of the oceans also use chemosynthesis to produce biomass from single carbon molecules.
Many chemosynthetic microorganisms are consumed by other organisms in the ocean, and symbiotic associations between chemosynthesizers and respiring heterotrophs are quite common.
Many microorganisms can cause infective endocarditis.
Many raw plant foods have been contaminated by dangerous and even deadly microorganisms, including jalapeño and serrano peppers, alfalfa sprouts and other sprouted seeds, green onions, spinach, lettuce, orange juice, apple juice and other unpasteurized fruit juices.
Many of these plants have been investigated scientifically for antimicrobial activity, and a large number of plant products have been shown to inhibit the growth of pathogenic microorganisms.
Many microorganisms are involved in the process of anaerobic digestion, including acetic acid-forming bacteria ( acetogens ) and methane-forming archaea ( methanogens ).
Many cell types, in particular many microorganisms, grow in solution and not attached to a surface.
Many different soil microorganisms are responsible for nutrient recycling ( for one, through decomposing plant residues ) and other soil building and maintaining activities.
Many and which
Many years later I went to see S.K. in England, where he was living at Whiteleaf, near Aylesbury, and he showed me beside his cottage there the remains of the road on which Boadicea is supposed to have travelled.
Many of the individual projects for which development assistance is required call for expenditures over lengthy periods.
Many companies have systems, particularly in R & D, which work more or less well, depending upon size and actual belief in the policy on the part of administration, as will be abundantly apparent in subsequent quotations.
Many years later ( on August 3, 1915 ), Lucy Upton wrote Winslow's daughter soon to be graduated from Smith College: `` While I love botany which, after dabbling in for years, I studied according to the methods of that day exactly forty years ago in a summer school, it must be fascinating to take up zoology in the way you are doing.
Many scholars consider modern anthropology as an outgrowth of the Age of Enlightenment, a period when Europeans attempted to study human behavior systematically, the known varieties of which had been increasing since the fifteenth century as a result of the first European colonization wave.
Many amateurs like to specialise in observing particular objects, types of objects, or types of events which interest them.
Many species have an erect woody stem which is covered with persistent dried leaves unless there have been fires, topped by a crown of long thin leaves.
Many theorems which are provable using choice are of an elegant general character: every ideal in a ring is contained in a maximal ideal, every vector space has a basis, and every product of compact spaces is compact.
Many of Christie ’ s books and short stories both set in the Middle East and back in England have a decidedly otherworldly influence in which religious sects, sacrifices, ceremony, and seances play a part.
Many parents today purchase “ Baby Signs ” DVDs and books which incorporate ASL signs for infant and toddler communication.
Many of these were part of the corruption indulged in by Scott and the Pennsylvania's president, J. Edgar Thomson, which consisted of inside trading in companies that the railroad did business with, or payoffs made by contracting parties " as part of a quid pro quo ", as biographer David Nasaw writes.
Many arguments from morality are based on morality normativity, which suggest that objective moral truths exist and require God's existence to give them authority.
Many states have Arbor Day although only Victoria has Arbor Week, which was suggested by Premier Dick Hamer in the 1980s.
Many ironclads were built to make use of the ram or the torpedo, which a number of naval designers considered the crucial weapons of naval combat.
Many stories have developed since the founding long ago to become a part of America's folklore and cultural awareness, and non-native American folklore especially includes any narrative which has contributed to the shaping of American values and belief systems.
Many GA-style guitars also have a convex back panel to increase the volume of space in the soundbox without making the soundbox deeper at the edges, which would affect comfort and playability.
Many pop songs are used as anthems, such as Queen's " We Are the Champions ", which is commonly used as a sports anthem.
Many defoliated forest areas were quickly invaded by aggressive pioneer species, such as bamboo and cogon grass, which make it unlikely the forests will be able to regenerate.
Many of the 5200's games appeared simply as updated versions of 2600 titles, which failed to excite consumers.
Many file archivers employ archive formats that provide lossless data compression to reduce the size of the archive which is often useful for transferring a large number of individual files over a high latency network like the Internet.
Many of the SIGs, like SIGGRAPH, SIGPLAN, SIGCSE and SIGCOMM, sponsor regular conferences which have become famous as the dominant venue for presenting innovations in certain fields.
Many Aleuts now live across the state and not only in the Aleutians which has helped to spread the arts of their people and to better develop methods of creating their arts.
Many amplifiers are ultimately slew rate limited ( typically by the impedance of a drive current having to overcome capacitive effects at some point in the circuit ), which sometimes limits the full power bandwidth to frequencies well below the amplifier's small-signal frequency response.
Many were especially critical of him following his remarks in the South Carolina primary, which Obama won.
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