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the single largest phylum of bacteria The group is typically divided into the Clostridia, which are anaerobic, and the Bacilli, which are obligate or facultative aerobes. începe să înveți
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Scientists once classified the Firmicutes to include all gram-positive bacteria, but have recently defined them to be of a core group of related forms called the low-G+C group.
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Lyme disease is caused by the spirochaete In most unfed ticks, spirochetes are present in the midgut and migrate during blood feeding to the salivary glands, from which they are transmitted to the host via saliva. începe să înveți
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The efficiency of Ixodes ricinus ticks to transmit Borrelia afzelii burgdorferi sensu stricto and their infectivity for mice were examined in relation to the duration of the blood meal.
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A dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum They can survive without nutrients and are resistant to ultraviolet radiation, desiccation, high temperature, extreme freezing and chemical disinfectants. începe să înveți
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The core contains the spore chromosomal DNA which is encased in chromatin-like proteins known as SASPs (small acid-soluble spore proteins), that protect the spore DNA from UV radiation and heat.
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a large lymph node acting primarily as a blood filter Milz As a part of the mononuclear phagocyte system, it metabolizes hemoglobin removed from senescent red blood cells (erythrocytes). începe să înveți
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The spleen synthesizes antibodies in its white pulp and removes antibody-coated bacteria and antibody-coated blood cells by way of blood and lymph node circulation.
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Gorillas and chimpanzees in West Africa have been killed by outbreaks of Milzbrand Robert Koch first identified the bacterium that caused the disease in 1875 in Wollstein (now part of Poland). începe să înveți
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Anthrax can enter the human body through the intestines (ingestion), lungs (inhalation), or skin (cutaneous) and causes distinct clinical symptoms based on its site of entry.
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Cause of the woolsorters' disease Milzbrandbakterium The spores, which are able to survive in harsh conditions for decades or even centuries can be found on all continents, including Antarctica. începe să înveți
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Bacillus anthracis is a rod-shaped, Gram-positive, facultative anaerobic bacterium about 1 by 9 μm in size.
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The president's body lay in state in When the deceased person is placed in another location, they lie in repose, as was the case following the deaths of Justices Antonin Scalia in February 2016 and Ruth Bader Ginsburg in September 2020. începe să înveți
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In the United States of America, "lying in state" is generally considered to be when one's body is placed in the rotunda of the United States Capitol.
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Hastily constructed in 1865 to support the casket of Abraham Lincoln President Abraham Lincoln's body lay in state in the center of the Rotunda of the U.S. Capitol from April 19 to April 21, 1865, in an open coffin resting on a trapezoidal wooden bier draped in black. începe să înveți
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The structure, called a catafalque in French or catafalco in Italian, was used for the funerals or lying-in-state of distinguished persons.
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A massive, national May Day rally and strike in Chicago May Day has always been linked to the demand for less work and more pay; Labor Day celebrates the "dignity" of work. Within the international labor movement, the May Day protest tradition got its start in the United States. începe să înveți
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The irony is that the issue at the heart of the Haymarket affair -- the hours of labor -- is now quite significant in the white collar world.
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the 1929 killing of 33 Communist Party of Germany supporters and uninvolved civilians by the Berlin Police The SPD had their equivalent of the "social fascism" perspective in its leaders' anxieties over a new Spartacist uprising. începe să înveți
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It was determined that over thirty people were killed, all civilians, and all by police firearms save for one individual struck by a speeding police van.
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Treponema pallidum & Borrelia burgdorferi & Leptospira species They are distinguished from other bacterial phyla by the location of their flagella, called endoflagella Salvarsan, the first partially organic synthetic antimicrobial drug in medical history, was effective against them and primarily used to cure syphilis. începe să înveți
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Spirochaetes may also cause dementia and may be involved in the pathogenesis of Alzheimer's disease.
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Plant a palm tree, dig a well and ... und zeuge einen Sohn. începe să înveți
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Together with Aphrodite, Ares begat the messenger of love, Eros, who spreads love or dislike with his arrows.
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They are viruses that represent a large family of small, positive-sense, single-stranded RNA viruses with a 30 nm icosahedral capsid. Following ingestion, HAV enters the bloodstream through the epithelium of the oropharynx or intestine. începe să înveți
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PicoRNAviruses are a group of related nonenveloped RNA viruses infecting vertebrates including fish, mammals, and birds. They are viruses representing a large family of small, positive-sense, single-stranded RNA viruses with a 30 nm icosahedral capsid. The first animal virus discovered (1897) was the foot-and-mouth disease virus (FMDV). It is the prototypic member of the genus Aphthovirus in the Picornaviridae family.
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