#Question id: 23974
#Unit 8. Inheritance Biology
#Question id: 14500
#Unit 13. Methods in Biology
#Question id: 4563
#Unit 11. Evolution and Behavior
If ʺxʺ indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?
#Question id: 12317
#Unit 10. Ecological Principles
#Question id: 10131
#Unit 6. System Physiology – Plant
The detailed chemical mechanism of the oxidation of water to O2 is not yet well understood, but with structural information shows_one electron carrier, generally identified as Yz, functions between the oxygen-evolving complex and P680 to function in this region, Yz needs to have a very strong tendency to retain its electrons, this species has been identified as;