Paul Erhlich coined the term antibiotics for the "magic bullet" antimicrobials he pursued
Indicate whether the statement is true or false
FALSE
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The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.TimeOxygen (ppm)pH2 a.m.4.57.74 a.m.2.87.26 a.m.2.26.88 a.m.2.56.810 a.m.3.97.2Noon6.57.72 p.m.10.08.34 p.m.12.18.86 p.m.13.19.28 p.m.13.09.210 p.m.12.08.8Midnight10.88.3Upon closer examination, the fish appeared to have died from a lack of oxygen. What time of day did the fish most likely die?
A. At sundown B. Around midnight C. In the middle of the afternoon D. Just before dawn
A general term used to describe groups based on mutual similarity or evolutionary relatedness is ________.
A. group B. system C. taxa D. class
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?
Which of the following statements is NOT a defining characteristic of adaptive immunity?
A. Self/nonself recognition B. Tailored to specific antigens C. Ability to produce diverse antigen receptors D. Memory allows a fast and strong secondary response E. Fast-acting initial response mediated by complement