Individuals that are heavy smokers may eventually have trouble clearing the mucous from their lungs because the structures that move fluid along the epithelial lining of the lung become damaged over time. What are these structures called?
A. Pili
B. Flagella
C. Cell walls
D. Cilia
D
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Goblet cell hyperplasia is associated with asthma. Based on their function, what is the likely outcome of an overabundance of goblet cells?
A. decreased mucus production B. excess mucus production C. excess O2 absorption D. decreased CO2 absorption Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about goblet cells? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Jenner's work with vaccinations depended on which of the following?
a. Trusting that the body produced agents that effectively overcame a disease-causing microbe b. Exposing patients to the exact pathogen he was trying to protect them from c. Selecting a microbe that could easily evade the immune system d. Selecting a pathogen that was a bacterium
Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection?
A) treatable with penicillin B) not contagious C) accompanied by a rash D) affected mostly children E) transmitted by ticks
The factor that MOST affects the thermostability of a protein is its
A) highly hydrophobic core regions. B) folding pattern. C) ionic surface interactions. D) number of hydrogen bonds.