Osmosis can only occur if water travels through the
A. ER.
B. semipermeable membrane.
C. cytoskeleton.
D. cell wall.
E. vacuole.
Answer: B
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Why is it important to learn about rabies when only a few cases occur in the United States each year?
A. The US isn't the entire world. Rabies might be more common in other areas, and it's important to understand due to its lethality. B. The only reason why rabies isn't common in the US is due to our lack of interaction with animal carriers. We could very easily have an outbreak on our hands if we don't know the warning signs to watch for that we've learned about by studying the virus and disease. C. Rabies can never be completely eliminated-it has too many different animal reservoirs/carriers. As such, we need to remain constantly aware of how to protect human populations, both by preventing and treating the illness. We can only do that by learning about it. D. All of the above are correct.
An amine hormone important in the stress response in vertebrates is
A. dopamine. B. melatonin. C. cortisol. D. epinephrine. E. serotonin.
Bones in fingers or toes are called
a. hyoid. b. patella. c. scapula. d. clavicle. e. phalanges.
Briefly explain the role of Malpighian tubules in arthropods. What will be an ideal response?