The first stage of the photosynthetic system is the light-dependent reaction, which converts solar energy into chemical energy. Light absorbed by chlorophyll or other photosynthetic pigments is used to drive a transfer of electrons and hydrogen from water to and acceptor called NADP , reducing it to the form of NADPH by adding a pair of electrons and a single proton...
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The water or some other donor molecule is split in the process. The light reaction also generates ADP, a process called photophosphorylation. ATP is a versatile source of chemical energy used in most biological processes. The light reaction produces no carbohydrates such as sugars. In photosynthesis, the dark reactions are chemical reactions that convert carbon dioxide and other compounds into glucose...
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The Hobbit Synopsis The dragon attacked the dwarfs, but couldn't reach because they were enclosed in a narrow tunnel. So the Dragon left to destroy the town and was killed by a resident...	2 / 320
English Bilbo happens to stumble upon the ring, only then to run into Gollum, who challenges Bilbo to a game of riddles, with the hobbit's life at stake. Bilbo wins, and Gollum figures out that he has the ring...	2 / 508
The Hobbit Gandolf left the group a few days later. The ring Bilbo had helped the group through two more circumstances along the journey. The group made it to the base of Lonely Mountain...	2 / 553
The Hobbit Meanwhile, Bilbo had told a bird to find a hunter named Bard the Hunter and to tell him that Smaug had a weak spot below the neck. Bard the Hunter came and saw the spot and plunged an arrow into Smaug, Smaug fell down and died...	2 / 400