#Question id: 8716
#9. Diversity of Life Forms
The most important feature that permits a gene to act as a molecular clock is ________.
#Question id: 10734
#10. Ecological Principles
This term is a measure of the ability of a system to resist change in the face of outside influences.
#Question id: 1576
#4. Cell Communication and Cell Signaling
function of Properdin
#Question id: 4152
#3. Fundamental Processes
The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?
1. A chaperone, SecA, binds to the polypeptide.
2. A chaperone, SecB, binds to the polypeptide.
3. ATP is hydrolyzed by Sec A.
4. SecA pushes 20 amino acids of the polypeptide into the translocation complex.
#Question id: 11147
#7. System Physiology – Animal
The concentrations of ions are very different inside and outside a nerve cell due to ________.