#Question id: 10820
#Unit 10. Ecological Principles
Of the following types of interactions, which one is least likely to limit population size?
#Question id: 20024
#Unit 13. Methods in Biology
#Question id: 1184
#Unit 4. Cell Communication and Cell Signaling
The order of events in a signaling pathway can be determined by the analysis of mutants. Cells that express a mutant defective Raf protein cannot be stimulated to proliferate uncontrollably by constitutively active RasD (dominant active). This indicates:
#Question id: 5787
#Unit 8. Inheritance Biology
A spontaneous mutation usually originates as an error in
#Question id: 19832
#Unit 12. Applied Biology
The single component system is based on the expression of a toxic polypeptide in response to