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At first, i was confused but now i think that it make sense.  The class seems to be moving back to some of the things that Im familiar to hearing about in high school such as energy being trasnferred and kinetic energy.  It even make sense that we have to eat these macrolecules in order to gain energy.  Everything was making sense until we got to the waterwheel analogy.  I thought that I knew what "propable" and "impropable meant and now I'm starting to think that I never really understod what it meant.

I also think that it's very cool how we learn about macromolecules and their fuctions and use that to help us better understand life and how it works.  Normally, all this tal about periodic tables and molecules would bore me, but now Im starting to appreciate these things and how they work.