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1172

Centuries: 11th century - 12th century - 13th century

Decades: 1120s 1130s 1140s 1150s 1160s - 1170s - 1180s 1190s 1200s 1210s 1220s

Years: 1167 1168 1169 1170 1171 - 1172 - 1173 1174 1175 1176 1177


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Photosynthesis

... photosystem II complex replaced its lost electrons from an external source, however, these electrons are not returned to photosystem II as they would in the analogous cyclic ...

 
 
 
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