ENERGY & ATP

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  • ENERGY & ATP
    • SOURCE OF ENERGY
      • "universal energy currency in living organisms"
      • cellular metabolic processes
        • synthesis of organic chemicals
        • chemical reactions
      • Advantages
        • small energy released
        • one enzyme for quick & easy energy releasage
        • efficient
        • controlled
        • soluble
    • STRUCTURE
      • made on the stalked particles of mitochondria
      • is a nucleotide
        • organic base Adenine (A)
      • phosphanydride bond
        • 30.5 kJmol-1 of energy
        • unstable & reactive
          • immediate energy
      • not good for long-term energy (fats & carbohydrates better)
    • ROLES
      • Metabolic Processes
        • DNA & protein synthesis
      • Active Transport
        • ions against a conc. gradient
      • Muscle Contraction
      • Nerve Impulse Transmission
        • Na & K pumps
      • Secretition
        • can be packages & transported by secretory products in vesicles
    • IMPORTANCE OF ATP
      • 30 kJmol-1 + ADP + Pi ? ATP
        • ATP sythase
      • reversible reaction
      • ATP ? ADP + Pi + 30 kJmol-1
        • ATPase hydrolyses
        • exogonic = energy released
        • lowers activation energy

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