D) Used as a source of energy when needed for a reaction. For example, adenosine triphosphate (ATP) is produced during Glycosis, which is the process of cellular respiration.
Photosynthesis is the process in which light energy of the sun is converted to chemical energy. The oxygen so released is used in the respiration process to break down complex molecules and releases energy in the form of ATP molecules.
The answers are stress accumulations and reoccurrence! I hope this helped you and I hope you have a great day! :)
The leading is replicated continuously for the entire length of the chromosome, while the lagging strand is replicated in pieces.