Thrombin catalyzes the conversion of the plasma protein fibrinogen into fibrin
Indicate whether the statement is true or false
TRUE
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A decrease in relative abundance of a species can lead to
a. an increase in predator avoidance. b. replacement species. c. a change in ecosystem structure. d. rapid growth in the depressed population. e. greater ecosystem stability.
The stage of viral replication in which the host cell produces viral nucleic acids and proteins is:
a. Release b. Attachment c. Synthesis d. Penetration e. Assembly
A postulate is
A) an educated guess. B) a hypothesis. C) a set of four statements that confirm that evolution will occur. D) an idea that has been proven through scientific investigation. E) a statement accepted as true for the purposes of logical argument.
In a classic experiment from the 1930s, a biologist conducted selective breeding experiments involving maze-running behavior in rats
He repeatedly bred together males and females that made the fewest mistakes, and he also bred together males and females that made the most mistakes. After eight generations, all mice that descended from "maze-smart" parents were better at running the maze than all mice that descended from "maze-dumb" parents. This study indicates that A) rats move through a maze randomly. B) trial-and-error learning in rats appears to have a genetic component. C) maze running is a purely learned behavior. D) nothing can be concluded about maze-running behavior in rats. E) maze running is a purely innate behavior in rats.