div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader030fdocumentsinreader030viewer20220304095a90387c7f8b9af27f8dcc99html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: facultyycpedufacultyycpedu~jthompsoBiochemistry II 2009photosynthesis · just when this transition happened 24 billion years ago or much earlier Looking so far into the src=https:reader030fdocumentsinreader030viewer20220304095a90387c7f8b9af27f8dcc99html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader030fdocumentsinreader030viewer20220304095a90387c7f8b9af27f8dcc99html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: facultyycpedufacultyycpedu~jthompsoBiochemistry II 2009photosynthesis · just when this transition happened 24 billion years ago or much earlier Looking so far into the src=https:reader030fdocumentsinreader030viewer20220304095a90387c7f8b9af27f8dcc99html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdiv