Biology, 17.10.2021 14:00 willveloz4
A 4-column table with 3 rows. The first column titled compound has entries A, B, C. The second column titled melting point (degrees C) with entries negative 183, 660, 772. The third column titled boiling point (degrees C) has entries negative 164, 2467, 1600. The fourth column titled conducts electricity has entries no, yes, yes. Which compound is most likely a covalent compound?
Answers: 1
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.
Answers: 1
Biology, 21.06.2019 20:00
Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms
Answers: 1
Biology, 21.06.2019 23:00
Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings
Answers: 3
A 4-column table with 3 rows. The first column titled compound has entries A, B, C. The second colum...
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