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Macromolecules

on June 14, 2015

Don’t let that word scare you.  “Macro” means big, so we aren’t on a molecular level, we are on a big molecular level?  Does that make you feel a bit better?  Maybe, it does, I don’t know.

There are four classes of macromolecules: carbohydrates, proteins, lipids, and nucleic acids.  Nucleic acids are like DNA and RNA and so for obvious reasons, they can be ignored when talking about diet.  We cannot metabolize these for energy and so for our intents and purposes, we can ignore them.

Carbohydrates are NOT just bread and potatoes.  They are anything that is made up of Carbon, Hydrogen and Oxygen in a C:2H:O ratio.  C6H12O6 is glucose, the form your body prefers its sugar in.

Proteins are chains of amino acids.  If you get an electron micrograph of one, they look like a 2-year old’s drawing (aka a bunch of squiggles).  This is due to the amino acids in the chains interacting with one another.

Lipids.  Everyone’s favorite.  Anything that is soluble in a nonpolar solvent is a lipid.  So basically, anything that you need to use soap to wash off?  Lipid.  Lipids are great for you if you do it right.  But more on that later.

These are the things that animals are meant to eat.

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