<span>The 5' end
During transcription, new nucleotides are added to the 3' end of the molecule due to the arrangement of the nucleotide with the new nucleotide being added to the hydroxyl group at the 3' position of the ribose.</span>
Tides are caused by the location of the earth, sun and moon.
Depending on the organism, the cell can get its energy from the sun (Plant; Photosynthesis) or through ATP energy (Animal).