Where in the lower respiratory tract would you find goblet cells?
A. trachea
B. lungs
C. nasal cavity
D. esophagus
E. bronchial tree
Answer: A
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Why is the production of transgenic plants somewhat easier than the production of transgenic animals?
A. Plant cells are pluripotent. B. Plant cells are more stable than animal cells. C. Plant cells are totipotent. D. Plant cells are more highly evolved. E. Plant cells readily take up vectors, whereas animal cells do not.
Which of the following statements is false about the
nest-decorating behavior of starlings? a. It deters bloodsucking mites. b. It increases the survival of nestlings. c. It promotes reproductive success of the parent birds. d. It is a learned behavior. e. None of these..
Populations of Larus gulls around the North Pole show an unusual pattern of reproductive isolation: each population is able to interbreed with its neigboring populations, but populations separated by larger geographic distances are not able to interbreed. This type of species complex is known as a(n):
a) ring species b) linked species c) polyploid species d) circular species e) Escher species
A patient, Jennifer, presents in an emergency room (ER) with severe stomach cramps and diarrhea. She was recently swimming in unclean water. Which protist would be the most likely cause of her symptoms?
A. Leishmaniasis B. Plasmodium C. Giardia D. Toxoplasma gondii