Biology, 05.11.2019 05:31 winterblanco
This group of animals is primarily aquatic and has mandibles and two pairs of antennae. which group is this?
a) insects
b) crustaceans
c) arachnids
Answers: 3
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 19:30
Would really appreciate it, i have an idea but not completely sure
Answers: 1
Biology, 22.06.2019 10:00
Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?
Answers: 2
Biology, 22.06.2019 13:50
Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?
Answers: 3
This group of animals is primarily aquatic and has mandibles and two pairs of antennae. which group...
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