Biology, 22.07.2019 22:30 lovehelping1564
How would a scientist distinguish the difference between unicellularn and multicellular in the 1700s?
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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, 22.06.2019 02:50
The response is the basis for vaccination. primary secondary tertiary none of the above
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Biology, 22.06.2019 03:00
What best describes the structure of the declaration of independence?
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Biology, 22.06.2019 06:40
Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry
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How would a scientist distinguish the difference between unicellularn and multicellular in the 1700s...
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