Biology, 16.09.2019 19:30 martinhannaheovgtjp
In 1967 a penicillin-resistant pneumonia, caused by streptococcus pneumoniae and called pneumococcus, surfaced in a remote village in papua, new guinea. at about the same time american military personnel in southeast asia were acquiring penicillin-resistant gonorrhea from prostitutes. by 1976, when the soldiers had come home, they brought the new strain of gonorrhea with them and physicians had to find new drugs to treat it. in 1983 a hospital-acquired intestinal infection caused by the bacterium enterococcus faecium joined the list of bacteria that could not be killed by penicillin. which of these best describes why certain bacteria have become resistant to penicillin?
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Biology, 22.06.2019 06:00
Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?
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Biology, 22.06.2019 13:00
"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."
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Biology, 22.06.2019 19:40
4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.
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In 1967 a penicillin-resistant pneumonia, caused by streptococcus pneumoniae and called pneumococcus...
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