Electron Transport Chain When NADH delivers high energy electrons to the first carrier of the electron transport chain, enough energy is captured by the time the electrons are received by O2 to permit the production of three ATP molecules.
67 days of darkness. Even though residents of Barrow, the northernmost town in Alaska, won't see the sun for 67 days come winter, they enjoy the midnight sun all summer-over 80 days of uninterrupted daylight.
Fairbanks (central Alaska). Shortest day 10:58 a.m. to 2:41 p.m. Longest day 2:59 a.m. to 12:47 a.m. - yes, the sun sets after midnight (allowing for Daylight Time) Barrow (northern Alaska). The Sun sets on 18th November and doesn't reappear until 23rd January. 24 hour daylight occurs between 11th May and 1st August.