Answers: 2
Biology, 21.06.2019 17:10
Salmonella typhimurium is a food-borne bacterial pathogen that can cause severe gastrointestinal disease. salmonella is often phagocytosed by macrophages that normally destroy bacterial pathogens, but this bacterium is somehow able to prevent the complete maturation of phagolysosomes. salmonella is able to tolerate the low ph of phagolysosomes, and in fact responds to the drop in ph by secreting toxins that interfere with other cellular responses. which of the following differences would you expect to contribute to the survival of a bacterium within an salmonella-containing phagosome, compared to a healthy phagolysosome? decreased activity of acid hydrolases increased activity of acid hydrolases decreased import of h+ ions increased import of h+ ions my guess is decreased activity of acid hydrolases but i'm not sure.
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Biology, 21.06.2019 20:30
Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time
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Biology, 21.06.2019 23:20
What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences
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Biology, 22.06.2019 11:30
What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin
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Is the largest number of individuals a population can handle over a period of time...
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