rhodopsin

noun 0.746

opsin

noun 0.622

bacteroid

noun 0.590

photoreceptor

noun 0.589

photoprotein

noun 0.574

bacterium

noun 0.574

bacteriocin

noun 0.566

photopigment

noun 0.551

proteobacterium

noun 0.550

membrane protein

noun 0.548

retinal

noun 0.543

archaebacterium

noun 0.532

phytochrome

noun 0.531

sulfur bacterium

noun 0.531

rhodamine

noun 0.525

bacteriophage

noun 0.521

photobioreactor

noun 0.518

phycobilisome

noun 0.517

phototransduction

noun 0.516

bacteria

noun 0.515

bacterioplankton

noun 0.513

prion protein

noun 0.509

rhizobacterium

noun 0.506

biophotolysis

noun 0.504

phycoerythrin

noun 0.503

chlorophyll b

noun 0.501