#Question id: 10209
#Unit 6. System Physiology – Plant
Protection against photodamage is a multilevel process, excited state of chlorophyll is not rapidly quenched by photochemistry it can react with molecular oxygen to form toxic photoproducts such as as singlet oxygen (1 O2*) what can damage if this second line of defense also fails to eliminate the reactive photoproducts?
#Question id: 4426
#Unit 3. Fundamental Processes
In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
#Question id: 28871
#Unit 4. Cell Communication and Cell Signaling
Wnts are___
#Question id: 20403
#Unit 3. Fundamental Processes
#Question id: 29525
#Unit 6. System Physiology – Plant