an alteration in the colour of certain substances as a result of being exposed to light of different wavelengths
2.
the reversible loss of colour of certain dyestuffs when illuminated at a particular wavelength
Examples of 'phototropy' in a sentence
phototropy
Surprisingly, we found that cells also degrade essential amino acids even during phototropy, when energy should already be abundant.
Orland Gonzalez, Susanne Gronau, Friedhelm Pfeiffer, Eduardo Mendoza, Ralf Zimmer,Dieter Oesterhelt 2009, 'Systems analysis of bioenergetics and growth of the extreme halophile Halobacteriumsalinarum.', PLoS Computational Biologyhttp://europepmc.org/articles/PMC2674319?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)