Elemental building blocks of biological molecules | Chemistry of life | AP Biology | Khan Academy

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Common elemental building blocks of biological molecules: Carbon, Oxygen, Hydrogen, Nitrogen and Phosphorus

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[chadyonfire]

The simplicity of this vid makes it amazing thx

[ayubtimbe]

Woow this is Genius. Thanks alot your earned more than respect. Thanks

[HassanAli-lcmj]

Dear sir, what is meant by molecular building block? with examples.

[TheGrassdawg]

Thanks guys and gals.
I deeply appreciate how what brought terror to me at 15 didn’t’ really need to be so frightening!

[henny]

Notice me please you’ve helped me through the years

[jahnali]

How is oxygen a larger percent of the body, when H2O is made up of 2 hydrogen molecules and one oxygen molecule? Would that mean that hydrogen and oxygen should be reversed on this chart?

[mustafaameen]

Can you review the Arabic subtitle and add it please ?😳 I had made a contribution to add Arabic subtitle 😊

[glkdkhan]

I could happily renamed as 'oxy khan'.

[liningwzgl]

so, we are made of dirt and water stuff right?😂