Changes in food processing and distribution can increase the incidence of new and emerging diseases
Indicate whether the statement is true or false.
Answer: TRUE
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In the mutualistic relationship of lichens, ____ provide moisture and attachment while ____ provide food.
A. bacteria; fungi B. bacteria; algae C. fungi; algae D. algae; fungi
Which of the following diseases is transmitted by the bite of human body lice?
A. bubonic plague B. tularemia C. Pontiac fever D. trench fever E. brucellosis
During the development of the vulva in Caenorhabditis, when the Notch ligand binds a Notch receptor on a progenitor cell:
A. signal transduction results in activation of a set of transcription factors. B. genes that produce the Notch ligand are transcribed. C. genes that produce the Notch receptor are inhibited. D. genes that produce the EGF receptor are inhibited. E. None of these choices are correct.
An interaction that benefits both species is ____
a. a neutral relationship b. commensalism c. competition d. mutualism e. parasitism