A four-chambered heart, hollow limb bones with supporting struts, and a keeled sternum are features
associated with most modern
a. mammals.
b. snakes.
c. turtles.
d. lizards.
e. birds.
E
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The jumping of a gene from one location to another is done by ________.
A. transformation B. conjugation C. transmission D. transduction E. transposons
Which of the following statements concerning pathogen-associated molecular patterns (PAMPS) is
false? a. They are features of pathogens recognized by cells of animals. b. They trigger activation of phagocytes. c. They react with specific receptors on host cells. d. They are found on all microbes except viruses. e. An example is the peptidoglycan of grampositive bacteria.
Because DNA replication takes place at an extremely rapid rate, a cell must repair breaks in a strand of DNA up to approximately how many times in an hour?
a. ?200,000 b. ?1,000 c. ?10 d. ?2,000,000 e. ?10,000
Eosinophils respond to (complement/lipopolysaccharide/histamines) and kill bacteria in a nonphagocytic process.
Fill in the blank(s) with the appropriate word(s).