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Hace 4 días · A dog with rabies, a zoonosis. A zoonosis ( / zoʊˈɒnəsɪs, ˌzoʊəˈnoʊsɪs /; [1] plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human (usually a vertebrate) to a human and vice versa. [1] [2] [3]
Hace 4 días · Sexually transmitted infection. A sexually transmitted infection ( STI ), also referred to as a sexually transmitted disease ( STD) and the older term venereal disease ( VD ), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, oral sex, or sometimes manual sex. [1] [5] [6] STIs often do not initially ...
Hace 3 días · Website. oscar .go .com /nominees /best-picture. The Academy Award for Best Picture is one of the Academy Awards (also known as Oscars) presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS) since the awards debuted in 1929. This award goes to the producers of the film and is the only category in which every member of the ...
Hace 2 días · Diarrhea. Diarrhea ( American English ), also spelled diarrhoea or diarrhœa ( British English ), is the condition of having at least three loose, liquid, or watery bowel movements in a day. [2] It often lasts for a few days and can result in dehydration due to fluid loss. [2] Signs of dehydration often begin with loss of the normal ...
Hace 4 días · A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary structures are local, many regions of different secondary structure can be present in the same protein molecule.
20 de may. de 2024 · Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host. Unlike saprotrophs, parasites feed on living hosts, though some parasitic fungi, for instance, may continue to feed on hosts they have killed.
Hace 2 días · Sometimes, the term antibiotic —literally "opposing life", from the Greek roots ἀντι anti, "against" and βίος bios, "life"—is broadly used to refer to any substance used against microbes, but in the usual medical usage, antibiotics (such as penicillin) are those produced naturally (by one microorganism fighting another), whereas non-antibiotic antibacterials (such as sulfonamides ...
