Lecture
This lecture covers the concepts of energy generation and utilization in living organisms, focusing on cellular respiration and photosynthesis. It explains how ATP is synthesized and used for mechanical, transport, and chemical work. The instructor discusses the metabolic pathways involved in breaking down food molecules to produce ATP, as well as the role of enzymes in catalyzing these reactions. The lecture also explores the connection between photosynthesis and respiration, emphasizing the interdependence of these processes in the ecosystem.