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Physics

Chemistry

Biology

  • Biology
    • Introduction  ▼
    • Development of biology
    • History of genetic material
    • What is the life?
    • Levels of Biological Organization
    • Material of life  ▼
    • Element in life
    • Free water vs bound water
    • Water hydrogen bond
    • Minerals in life
    • Sugar Ⅰ: mono, disaccharide
    • Sugar Ⅱ: polysaccharide
    • Cell structure  ▼
    • Plant cell vs animal cell
    • Organell
    • Nucleus
    • Endoplasmic reticulum
    • Golgi body
    • Ribosome
    • Metabolism  ▼
    • Thermodynamics law
    • Gibbs free energy
    • Anabolism, Catabolism
    • ATP
    • Factor for enzyme activity
    • Enzyme, PH, temperature
    • Evolution  ▼
    • Early evolution theory
    • Darwin evolution theory
    • Natural selection
    • Balance selection
    • Selective breeding
    • Heterosis
    • Microorganism  ▼
    • Prokaryote vs Eukaryote
    • Gram positive, negative
    • VirusⅠ: Size, structure
    • Porifera, Sponge
    • Blue-green algae
    • Chlamydia

  • Physics
    • Motion  ▼
    • Scalar vs Vector
    • Point mass
    • Time
    • Reference frame, position
    • Distance, displacement
    • Average velocity
    • Linear motion  ▼
    • Uniform linear motion
    • Uniformly Accelerated
    • Free fall
    • Galileo's ramp experiment

  • Chemistry
    • Alkali metal  ▼
    • Alkali metals
    • Sodium metal
    • Sodium Compund
    • Distribution & manufacture of Na
    • Sodium for health
    • Potassium metal
    • Alkaline earth metal  ▼
    • Alkaline earth metal
    • Magnesium & Its compounds
    • Magnesium & health
    • Distribution & manufacture of Mg
    • Calcium metal
    • Calcium compound