The media used to successfully grow Francisella tularensis must contain cysteine
Indicate whether this statement is TRUE or FALSE.
TRUE
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The ratio of the vapor pressure of the air in equilibrium with a substance to the vapor pressure of pure water is known as
A) water activity. B) vapor activity. C) positive water balance. D) osmosis.
Being a carrier of the sickle cell trait, although generally not a serious problem, can pose significant risks for athletes, particularly those in intense training regimens
The death of Florida State University linebacker Devaughn Darling, a carrier of the sickle cell trait, in a spring conditioning drill refocused attention on sickle cell abnormalities, including both sickle cell disease and sickle cell trait (carriers). High altitude, aggressive exercise, and high temperatures can all lead to acute rhabdomyolysis in individuals with sickle cell trait. Why do you think an individual who is a carrier of the sickle cell trait may be more likely to experience the symptoms of SCD during rigorous exercise?
All organisms plus the nonliving components of a defined area is a(n)
A. population. B. community. C. ecosystem. D. habitat. E. niche.
The first vertebrates to be able to reproduce on land were the
A. amphibians. B. insects. C. reptiles. D. mammals.