In music, sampling refers to the act of taking a portion of one sound recording and reusing it as an instrument in a new recording. This is done with a sampler, which can either be a piece of hardware, or a computer program on a digital computer. Similar to sampling is the technique of creating loops[?] of magnetic tape with a reel to reel tape machine.
... The water or other donor molecule is split in the process; it is the light reaction which produces waste oxygen.
The light reaction also generates ATP by powering the ...