When this is exhausted some move on to feed on bacteria, algal crusts, detritus and raspings from submerged plants.

" When I woke up just after dawn on September 28, 1928, I certainly didn't plan to revolutionise all medicine by discovering the world's first antibiotic, or bacteria killer ," Fleming would later say, " But I suppose that was exactly what I did.

When a flea bites a human and contaminates the wound with regurgitated blood, the plague carrying bacteria are passed into the tissue.

When heat is used in the preparation of food, it can kill or inactivate potentially harmful organisms, such as bacteria and viruses, as well as various parasites such as tapeworms and Toxoplasma gondii.

When the surviving bacteria exit the stomach and reach the small intestine, they need to propel themselves through the thick mucus that lines the small intestine to get to the intestinal walls, where they can thrive.

When they are born, their intestines do not contain these bacteria ( they are completely sterile ).

When left in sealed containers the filtered water takes longer to go foul, demonstrating that very small items ( such as bacteria ) can be removed from fluids by filtration.

When the bacteriophages infected the bacteria, the progeny contained the radioactive isotopes in their structures.

When sea water freezes, the ice is riddled with brine-filled channels which sustain sympagic organisms such as bacteria, algae, copepods and annelids, which in turn provide food for animals such as krill and specialised fish like the Bald notothen, fed upon in turn by larger animals such as Emperor penguins and Minke whales.

When exposed to antibiotics, most bacteria die quickly, but some may have mutations that make them slightly less susceptible.

When the Ag < sup >+</ sup > ion forms a complex with these molecules, they are rendered unusable by the bacteria, depriving them of necessary compounds and eventually leading to their death.

When a shark dies, the urea is broken down to ammonia by bacteria, causing the dead body to gradually smell strongly of ammonia.

When biological warfare or new, currently hypothetical, threats ( i. e., robots, new artificial bacteria ) are considered, biosafety precautions are generally not sufficient.

When algae die they sink to the bottom where they are decomposed and the nutrients contained in organic matter are converted into inorganic form by bacteria.

When a plant dies, the fungi, bacteria and the other slowly eat the roots and leaves, returning nutrients to the soil.

When water levels became so low that peat and muck were at the surface, the bacteria interacted with much higher levels of oxygen in the air, rapidly breaking down the soil.

When only a few other bacteria of the same kind are in the vicinity, diffusion reduces the concentration of the inducer in the surrounding medium to almost zero, so the bacteria produce little inducer.

When they are born, their intestines do not contain these bacteria ( they are completely sterile ).

When shipworms bore into submerged wood, bacteria ( Teredinibacter turnerae strain ATCC 39867 / T7901 ) in a special organ called the gland of Deshayes digest the cellulose exposed in the fine particles created by the excavation.

When the symbiotic bacteria are killed by the antibiotic, the worms themselves also die.

When food ( normally bacteria ) is readily available they are individual amoebae, which feed and divide normally.

When plaque is supragingival, the bacterial content consists mostly of aerobic bacteria and yeast, or those bacteria which utilize and can survive in an environment containing oxygen.

When these had been pocketed, we could still spend a morning cracking open other pebbles for our delight in seeing how much prettier they were inside than their dull exteriors indicated.

When we `` forced '' individuals to assume the corporate structure by means of taxes and other legal statutes, we adopted what I would term `` pseudo-capitalism '' and so took a major step toward socialism.

When he remembered that he might have not signed the check, Mercer made out another for the same amount, instructing the bank to destroy the other -- especially if he had happened to have absent-mindedly signed both of them.

When they stood about his tent, chaffing each other, exchanging their obscenities, cursing command or weather, he had studied their faces.

When Kate hurried in alarm to tell him to put it out, she saw other dots of flames among the western Virginia hills from the few scattered fires of the faithful.

When solving an equation that involves division as well as other steps, do all the division steps first to reduce those parts of the equation to their numerical value.

When did you last compare your present premium costs with the costs of insurance from other sources??

When this proposal was made, Stalin spoke with stronger emotion than at any other time during the Conference.

When a child fails to meet the standards of the school in his rate of learning, insecurity, unhappiness, and other forms of maladjustment frequently follow.

When I speculated on one such occasion that the new growth, like other mutations, might be unable to propagate, I was immediately accused of preaching racial prejudice.

When he was told that no one had seen Burton since then, he thought of three other places that were possibilities.

When this and other units combined to form the present group, it was taken on as a continuing fund-raiser.

`` When and if it can do so without jeopardizing constitutional and statutory tax-exemption privileges essential to the maintenance of its educational program and facilities, Emory University will consider applications of persons desiring to study or work at the University without regard to race, color or creed, continuing university policy that all applications shall be considered on the basis of intellectual and moral standards and other criteria designed to assure the orderly and effective conduct of the university and the fulfillment of its mission as an institution of Christian higher education ''.

When he found out the truth he sent his sister, Artemis, to kill Coronis ( in other stories, Apollo himself had killed Coronis ).

When on land, they mostly spend the day hidden under stones or logs or in dense vegetation, emerging in the evening and night to forage for worms, insects and other invertebrates.

When the atoms are relatively similar in size, the atom exchange method usually happens, where some of the atoms composing the metallic crystals are substituted with atoms of the other constituent.

When looking at variations it needs to be kept in mind that different groups of people do not always sign one way and not the other, rather they prefer and use a particular form of a sign more often.

When taken up into the human body from the diet, the 22 standard amino acids either are used to synthesize proteins and other biomolecules or are oxidized to urea and carbon dioxide as a source of energy.

When Title IV took effect in the early 1990s, it led to installation of public Teletypewriter ( TTY ) machines and other TDDs ( Telecommunications Device for the Deaf ).

When it comes to the 17th century and anagrams in English or other languages, there is a great deal of documented evidence of learned interest.

When the press expanded to current titles, they wrote some books themselves and employed other writers, including Erasmus.

116 .</ ref > When air condenses it becomes visible, as mist and then rain and other forms of precipitation, and as the condensed air cools Anaximenes supposed that it went on to form earth and ultimately stones.

When the other Latins subsequently occupied the empty town of Politorium, Ancus took the town again and demolished it.

When a specific allophone ( from a set of allophones that correspond to a phoneme ) must be selected in a given context ( i. e. using a different allophone for a phoneme will cause confusion or make the speaker sound non-native ), the allophones are said to be complementary ( i. e. the allophones complement each other, and one is not used in a situation where the usage of another is standard ).

When word of the dam's failure was telegraphed to Pittsburgh, Frick and other members of the South Fork Fishing and Hunting Club gathered to form the Pittsburgh Relief Committee for assistance to the flood victims as well as determining never to speak publicly about the club or the flood.