Biology, 31.01.2020 18:56 kelechikamalu1
The national government wants to increase the number of national parks and recreation areas. how will this act with the sustainability of our environment?
a) it will increase the carrying capacities of all animal species
b) it will decrease land use for waste management
c) it will preserve biodiversity for future generations
d) it will cause a biological surplus of all plant speciesism
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.
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Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1
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Biology, 22.06.2019 01:00
The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false
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The national government wants to increase the number of national parks and recreation areas. how wil...
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