Arthropod vectors are blood-sucking animals such as ticks, lice, and fleas that transmit microbial pathogens
Indicate whether the statement is true or false
TRUE
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The implementation of _____asepsis practices, such as handwashing, and _____asepsis, such as the use of sterile garments for nurses and doctors, have helped to lower the incidence of HAIs in many hospitals.
Fill in the blank(s) with the appropriate word(s).
When the sexes of a species differ in size or appearance, it is called:
a. sexual dimorphism. b. the mating system. c. sexism. d. variance in reproductive success. e. polygamy.
Cells use exocytosis to
A) ingest nutrients. B) pump hydrogen molecules across the membrane. C) create new cells. D) release substances from the cell. E) move away from danger.
Frederick Griffith discovered
A) transformation. B) transposons. C) the lac operon. D) DNA. E) conjugation.