Assertion: carotenoid's oxygen | /r/HasProperty | formed
Facets:
value: during photosynthesis
type: TEMPORAL
Source sentences:
text: They also protect plant tissues by helping to absorb the energy from singlet oxygen, an excited form of the oxygen molecule O 2 which is formed during photosynthesis.
text: They also protect plant tissues by helping to absorb the energy from singlet oxygen, an excited form of the oxygen molecule O 2 which is formed during photosynthesis.