Salmonella enterica serovar typhimurium has a very low ld50 in mice but is generally not lethal in humans. salmonella enterica serovar typhi causes typhoid fever in humans and has a very low ld50 in humans, but it doesn’t kill mice. this phenomenon can be explained by the fact that the two serovars have different

Why can't government provide employment opportunities to all the families with low quality of life?

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of

When constance visited lookout mountain, what region was she seeing?