Many cells, bacteria, and other microorganisms are transparent to visible light and must be stained for microscopic investigation.

Many of these solutions aim to control the Volatile Sulfur Compound ( VSC )- creating anaerobic bacteria that live in the mouth and excrete substances that lead to bad breath and unpleasant mouth taste.

Many bacteria, however, possess mechanisms ( such as siderophores ) for scavenging iron within environmental niches in the human body, and experimental developments of iron chelators, therefore, aim to reduce iron availability specifically to bacterial pathogens.

Many instances of endosymbiosis are obligate ; that is, either the endosymbiont or the host cannot survive without the other, such as the gutless marine worms of the genus Riftia, which get nutrition from their endosymbiotic bacteria.

Many bacteria cease production of the enzyme in the presence of oxygen.

Many of the postures massage the lymphatic system and aid in lymphatic drainage, assisting to eliminate infection, bacteria, and toxins.

Many of these symptoms occur when bacteria that normally inhabit the thick mucus grow out of control and cause pneumonia.

Many Fabaceae host bacteria in their roots within structures called root nodules.

Many plant fibers, for example, are indigestible to many herbivores leaving grazer community food webs more nutrient limited than detrital food webs where bacteria are able to access and release the nutrient and energy stores.

Many species of bacteria use quorum sensing to coordinate gene expression according to the density of their local population.

Many bacterial species, including E. coli, an enteric bacterium and model organism for Gram-negative bacteria, produce AI-2.

Many lichens produce secondary compounds, including pigments that reduce harmful amounts of sunlight and powerful toxins that reduce herbivory or kill bacteria.

Many bacteria can be found deep in the mucus, which is continuously secreted by mucus-secreting cells and removed on the luminal side.

Many of the bacteria in the digestive tract, collectively referred to as the gut flora, are able to break down certain nutrients such as carbohydrates that humans otherwise could not digest.

Many biocides are synthetic, but a class of natural biocides, derived from e. g. bacteria and plants, includes brassica oleracea, brassica oleracea gemmifera, and clostridium botulinum bacteria.

Many bacteria can survive adverse conditions such as temperature, desiccation, and antibiotics by endospores, cysts, conidia or states of reduced metabolic activity lacking specialized cellular structures.

Many types of bacteria can cause necrotizing fasciitis ( e. g., Group A streptococcus ( Streptococcus pyogenes ), Staphylococcus aureus, Clostridium perfringens, Bacteroides fragilis, Aeromonas hydrophila ).

Many schools do not allow chewing gum because students often dispose of it inappropriately, or because it might carry diseases / bacteria from other students and is distracting to others in the classroom by smacking.

Many autotrophic bacteria and archaea fix carbon via the reductive acetyl CoA pathway, the 3-hydroxypropionate cycle, or the reverse Krebs cycle.

Many human cell types express them, as do certain bacteria and many other organisms, such as plants for which it is essential for the water transport system.

Many species of bacteria are subject to lysis by the enzyme lysozyme, found in animal saliva, egg white, and other secretions.

Many healthy breastfeeding women wishing to donate breast milk have potentially pathogenic bacteria in their milk but have no symptoms of mastitis.

Many times the groundwater is recycled to allow for continuously flowing water and enhanced bacteria population growth.

Many earlier writers, mourning the demise of the old order, tended to romanticize and exaggerate this `` gracious Old South '' imagery, creating such lasting impressions as Margaret Mitchell's `` Tara '' Plantation.

Many such loans have been made to establish small concerns or to aid in their growth, thereby contributing substantially to community development programs.

Many other Protestant denominations preceded the Anglicans in such action.

Many protists also exist as individual amoeboid cells, or take such a form at some point in their life-cycle.

Many aquatic salamanders and all tadpoles have gills in their larval stage, with some ( such as the axolotl ) retaining gills as aquatic adults.

Many amateurs use online tools to plan their nightly observing sessions using tools such as the Clear Sky Chart.

Many computer programs contain algorithms that detail the specific instructions a computer should perform ( in a specific order ) to carry out a specified task, such as calculating employees ' paychecks or printing students ' report cards.

Many newer brands are alcohol-free and contain odor-elimination agents such as oxidizers, as well as odor-preventing agents such as zinc ion to keep future bad breath from developing.

Many plants in this family, such as wild carrot, have estrogenic properties and have been used as a folk medicine for birth control.

Many people, however, became members of the French Resistance, and they are the allegorical equivalents of the voluntary sanitary teams in the novel, such as Tarrou, Rambert, and Grand, who fight back against the unspeakable evil ( the Nazi occupiers ).

Many industries, notably textiles, firearms, clocks and watches, buttons, horse-drawn vehicles, railroad cars and locomotives, sewing machines, and bicycles, saw expeditious improvement in materials handling, machining, and assembly during the 19th century, although modern concepts such as industrial engineering and logistics had not yet been named.

Many evangelical creeds will restate traditional Calvinist or Arminian theology, such as belief in biblical inerrancy and creation.

Many see Calvinism as growing in acceptance, and some prominent Reformed Baptists, such as Albert Mohler and Mark Dever, have been pushing for the Southern Baptist Convention to adopt a more Calvinistic orientation.

Many of these new companies could not meet such requirements to be listed on the Board.

Many agates are hollow, since deposition has not proceeded far enough to fill the cavity, and in such cases the last deposit commonly consists of drusy quartz, sometimes amethystine, having the apices of the crystals directed towards the free space so as to form a crystal-lined cavity or geode.

Many such children live in Sambutsu especially, on the eastern coast.

Many " authentic Ainu villages " advertised in Hokkaido such as Akan and Shiraoi are tourist attractions and provide an opportunity to see and meet Ainu people.

Many Indo-Aryan languages, such as Hindi-Urdu, also write the two phones differently and treat them as completely distinct phonemes: is written as ' प ' ( or ' پ '), while is written ' फ ' ( or ' پھ ') and so on.

Many of the smaller birds, such as the sunbirds, bee-eaters, the parrots and kingfishers, as well as the larger plantain-eaters, are noted for the brilliance of their plumage.

Many such are localised, and do not form part of general Australian use, while others, such as kangaroo, boomerang, budgerigar, wallaby and so on have become international.

Many stars visible to the naked eye have such a low absolute magnitude that they would appear bright enough to cast shadows if they were only 10 parsecs from the Earth: Rigel (− 7. 0 ), Deneb (− 7. 2 ), Naos (− 6. 0 ), and Betelgeuse (− 5. 6 ).

Many expansion boards were produced for Amiga computers to improve the performance and capability of the hardware, such as memory expansions, SCSI controllers, CPU boards, and graphics boards.