Cilia lining the respiratory tubes beat mucus upward in order to:
a. moisten the bronchioles.
b. conduct the mucus that contains particles to the pharynx and away from the lungs.
c. provide mucus to the lungs to prevent them from dehydrating.
d. lubricate the throat for easier swallowing.
e. promote gas exchange by providing mucus for the respiratory surfaces.
B
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The nearest living relatives of alligators and crocodiles are:
A. snakes B. birds C. turtles D. lizards E. manatees
Charcot-Leyden crystals are often observed in specimens infected with which one of the following trematodes?
a. Clonorchis (Opisthorchis) sinensis b. Opisthorchis viverrini c. Fasciola hepatica d. Paragonimus westermani
The mucociliary blanket is found in the digestive system of mammals.
Answer the following statement true (T) or false (F)
A bacterium undergoes four rounds of replication. How many cells would result, and how many of those cells would
still have part of an original DNA strand from the starting bacterium?
What will be an ideal response?