The greater proportion of far-red light converts more Pfr to Pr, and the ratio of Pfr to total phytochrome (Pfr/Ptotal) decreases.

TLS Online TPP Program

#Id: 7026

#Unit 11. Evolution and Behavior

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

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#Id: 7293

#Unit 6. System Physiology – Plant

Operation of the C4 cycle requires the cooperative effort of both cell types. No mesophyll cell of a C4 plant is more than two or three cells away from the nearest bundle sheath cell.

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#Id: 2294

#Unit 3. Fundamental Processes

During initial transcription, the polymerase remains stationary on the promoter, unwinds downstream DNA, and pulls that DNA into itself

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#Id: 6389

#Unit 2. Cellular Organization

CAP–cAMP complex stimulates transcription of the lac operon by binding to an activator-binding site adjacent to the promoter and helping RNA polymerase bind to the promoter.CAP–cAMP complex stimulates transcription of the lac operon by binding to an activator-binding site adjacent to the promoter and helping RNA polymerase bind to the promoter.

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#Id: 859

#Unit 2. Cellular Organization

Many bacterial Avr effectors delivered by type III secretion are enzymes such as phosphatases, proteases, phosphoserine lyases, or E3 ubiquitin ligases that attenuate host defense signaling.