The carotenoid pigments of some phototrophs interact with ________ to reduce its toxicity
A) singlet oxygen (1O2)
B) hydroxyl radical (HO-)
C) peroxide anion (O22-)
D) superoxide radical (O2-)
E) molecular oxygen (O2)
A
Bloom's Taxonomy: Knowledge
Section: Growth Requirements
Learning Outcome: 6.4
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