The life cycle of the fish tapeworm is similar to that of the beef tapeworm. Which of the following is the most effective preventive measure?
A) salting fish before eating
B) refrigerating stored fish
C) cooking fish before eating
D) wearing gloves while handling fish
E) not swimming in fish-infested waters
C
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When rural communities evolve in urban areas, they are often called
A. Rural enclaves B. Urban islands C. Rural keys D. Rural territories
Which of the following immune responses is not associated with the common cold?
What will be an ideal response?
Which is the correct pathway of a protein through a cell as it is being made?
A) Nucleus, ribosome, Golgi apparatus B) Golgi apparatus, ribosome, rough endoplasmic reticulum C) Nucleus, smooth endoplasmic reticulum, Golgi apparatus D) Golgi apparatus, ribosome, mitochondria
Why does calcium not bind to calmodulin in an nonstimulated cell?
a) In an nonstimulated cell, calcium ions are destroyed. b) Calmodulin's affinity for calcium ions is too high to allow binding in an nonstimulated cell. c) In an nonstimulated cell, calcium ions preferentially bind to another protein in the cytosol. d) Calmodulin's affinity for calcium ions is too low to allow binding in an nonstimulated cell. e) In an nonstimulated cell, calcium ions are produced