> See also: > - Reference # Bioenergetics ## The Role of ATP ![[Pasted image 20250309131025.png|325]] ATP: adenosine tri-phosphate ADP: Adenosine di-phosphate AMP: Adenosine mono-phosphate In a single day, an average-sized person *uses about 90% of their weight in ATP* but *only has about 50 grams of ATP available* at any given time **Phosphorylation** Any enzyme that can phosphorylate a target molecule is a **kinase** - The phosphate comes from an existing molecule known as the substrate There are two types of phosphorylation: 1. Substrate-Level Phosphorylation (SLP) 2. Oxidative Phosphorylation (OP) Phosphate transfer potential ### Substrate-Level Phosphorylation ### Oxidative Phosphorylation ## Regulation of Metabolism