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275 free courses & lectures available for Biology

Carbon as a building block of life | Properties of carbon | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Carbon as a building block of life. Watch the next lesson: ...
  
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Silicon-based life | Properties of carbon | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.11 hours
Could silicon play a role similar to carbon's in supporting life? Watch the next lesson: ...
  
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Functional groups | Properties of carbon | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
Hydroxyl, sulfhydryl, carbonyl, carboxyl, amino and phosphate groups. Alcohols and thiols. Watch the next lesson: ...
  
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Molecular structure of triglycerides (fats) | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.18 hours
Fructose in comparison with glucose. Pyranose and furanose rings. Sucrose made from glucose and fructose. Watch the next lesson: ...
  
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Saturated fats, unsaturated fats, and trans fats | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Saturated fats, unsaturated fats, and trans fats Watch the next lesson: ...
  
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Lipid overview | Macromolecules | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.19 hours
Types of lipids including fats, waxes, steroids and phospholipids. Watch the next lesson: ...
  
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Molecular structure of DNA | Macromolecules | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.22 hours
Molecular structure of DNA. Nucleotide. Nitrogenous base, phosphate. Watch the next lesson: ...
  
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Antiparallel structure of DNA strands | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
Antiparallel structure of DNA strands (5' - 3' directionality) Watch the next lesson: ...
  
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Molecular structure of RNA | Macromolecules | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.19 hours
Molecular structure of RNA Watch the next lesson: ...
  
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Overview of protein structure | Macromolecules | Biology | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
Primary, secondary, tertiary and quaternary protein structure. Thinking about how the different factors impacting a protein's structure. Beta pleated sheets.
  
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