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275 free courses & lectures available for Biology

SAT Biology - Lesson 1 - Biochemistry

by PerfectScores on Youtube Youtube
Duration: 0.58 hours
This lesson covers water and its properties, carbohydrates, lipids,proteins and enzymes in detail.
  
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Introduction to kinetics | Energy and enzymes | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.26 hours
Kinetics, activation energy, activated complex and catalysts. Watch the next lesson: ...
  
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Introduction to cellular respiration | Cellular respiration | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
Introduction to cellular respiration, including glycolysis, the Krebs Cycle, and the electron transport chain. Watch the next lesson: ...
  
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Overview of glycolysis | Cellular respiration | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
Overview of the basics of glycolysis. Watch the next lesson: ...
  
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Krebs / citric acid cycle | Cellular respiration | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.3 hours
Overview of the Krebs or Citric Acid Cycle Watch the next lesson: ...
  
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Diffusion and osmosis | Membranes and transport | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.32 hours
Learn about diffusion, osmosis, and concentration gradients and why these are important to cells. Watch the next lesson: ...
  
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ATP: Adenosine triphosphate | Energy and enzymes | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.11 hours
Learn more about ATP: how it stores energy, and how that energy is released when it's converted to ATP and phosphate. Watch the next lesson: ...
  
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Hydrogen bonding in water | Water, acids, and bases | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.11 hours
Reactants and products in reversible and irreversible chemical reactions. Watch the next lesson: ...
  
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Arrhenius definition of acids and bases | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.13 hours
Arrhenius definition of acids and bases Watch the next lesson: ...
  
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Introduction to buffers | Water, acids, and bases | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.11 hours
Introduction to pH and the pH scale. Examples of calculating pH of pure water, bleach, and orange juice. Watch the next lesson: ...
  
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