Theme C: Interaction and Interdependence
The chapter explores the essential biological concepts of interaction and interdependence across various themes, including molecular biology with enzymes and metabolism, cellular respiration, photosynthesis, cellular communication, neural signaling, body systems integration, defense mechanisms against diseases, and ecosystem dynamics. Emphasis is placed on the interconnectivity of biological processes and the importance of energy flow and matter cycling in sustaining life.
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Sections
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What we have learnt
- Enzymes are critical for metabolic processes, acting as biological catalysts that lower activation energy.
- Cellular respiration consists of several stages for converting glucose into ATP, with anaerobic conditions leading to lower energy yields.
- Photosynthesis involves light-dependent and light-independent reactions to convert solar energy into chemical energy.
- Chemical and neural signaling are crucial for cellular communication and response coordination.
- The human body maintains homeostasis through interconnected systems that work collaboratively.
Key Concepts
- -- Enzyme
- A biological catalyst that accelerates chemical reactions without being consumed.
- -- Cellular Respiration
- The process of converting glucose to ATP, comprising glycolysis, Krebs cycle, and electron transport chain.
- -- Photosynthesis
- The process by which light energy is converted into chemical energy in plants, involving light-dependent and independent reactions.
- -- Signal Transduction
- The process by which a signaling molecule binds to a receptor and triggers a series of intracellular events.
- -- Community Dynamics
- The interactions between different populations within an ecosystem, including population dynamics and community interactions.
Additional Learning Materials
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