facultative photoheterotroph

facultative photoheterotroph

[′fak·əl‚tād·iv ¦fōd·ō¦hed·ə·rə‚träf]
(microbiology)
Any bacterium that usually grows anaerobically in light but can also grow aerobically in the dark.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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