Electron affinity: The enthalpy change that results from adding an electron to a gaseous atom.

Electron affinity is becoming less negative (less exothermic) and less likely to gain an electron. 

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#Id: 9830

#Unit 6. System Physiology – Plant

Plants that are deficient in phyB often look like wild-type plants that are grown under dense vegetative canopies.

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#Id: 9831

#Unit 6. System Physiology – Plant

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#Id: 9832

#Unit 6. System Physiology – Plant

Phytochrome interacting factors (PIFs) are a family of proteins that act primarily as negative regulators of photomorphogenic responses.

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#Id: 9833

#Unit 6. System Physiology – Plant

PIFs promote etiolated development in the dark (skotomorphogenesis) primarily by serving as transcriptional activators of dark induced genes

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#Id: 9834

#Unit 6. System Physiology – Plant

Red light-induced Pfr formation initiates the degradation of PIF proteins through phosphorylation, followed by degradation via the proteasome complex

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#Id: 9835

#Unit 6. System Physiology – Plant