<prompt> Answer this question truthfullyIn biochemistry, what is the role of biotin as a carrier molecule?  <response>: <reason> Biotin acts as a carrier molecule in its activated form, carrying CO2 carbon dioxide during various biochemical reactions. This coenzyme is involved in the metabolism of carbohydrates, fatty acids, and amino acids, and plays a crucial role in gluconeogenesis and other important metabolic pathways. 