#Question id: 11983
#Unit 10. Ecological Principles
#Question id: 28770
#Unit 2. Cellular Organization
#Question id: 7246
#Unit 5. Developmental Biology
Treatment of Xenopus embryos with lithium dorsalizes the embryos by interfering with cell-cell signaling pathways. What, if anything, is the effect of lithium on hydra, and what might we infer about its mechanism of action?
#Question id: 15362
#Unit 4. Cell Communication and Cell Signaling
#Question id: 10337
#Unit 6. System Physiology – Plant
In biological nitrogen fixation, the process of nitrification by organism respective bacteria A--which convert the ammonia to nitrite and B--- further converted into nitrate in the soil by their respective A and B bacteria known as;