#Question id: 19349
#Unit 12. Applied Biology
#Question id: 1079
#Unit 4. Cell Communication and Cell Signaling
Smoking impairs the ciliated cells of the middle portion of the respiratory tract. Many analgesic drugs (painkillers) impair peristalsis (the churning motion of the digestive tract). The result of either of these activities leads to an increased risk of infection in their respective areas. Why?
#Question id: 3858
#Unit 3. Fundamental Processes
The 5' methyl guanosine caps added during RNA chain elongation performs what function?
1. prevents degradation by nucleases
2. are recognized by protein factors
3. are used to identify the type of RNA
#Question id: 11884
#General Aptitude
#Question id: 10844
#Unit 10. Ecological Principles
In the formula for biotic potential (dN/dt = rIN), what does n stand for?