<u>Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin. Ultimately, the electrons that are transferred by Photosystem I are used to produce the high energy carrier NADPH.</u>
The plants grow because of the energy transferred from the sun
You could say variation in offspring (so cloning things they basically just multiple the exact same thing but with reproduction, whatever is made differs a little bit or a lot from its "parents"
A major result of the bank failures that followed the stock market crash in 1929 was that "<span>There wasn't enough money in circulation to support a healthy economy," since people had completely lost faith in the banking system.</span>