Chapter 3 - College Biology (Pg.3)

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Last updated 11:03 PM on 8/27/26
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5 Terms

1
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Minor changes = Major differences

  • Glycogen has “alpha” bonds (OH group of the first monomer is below the plane)

  • Cellulose has “beta” bonds (OH group is above the plane)

  • Humans can’t break down beta bonds


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Can be good for you

  • Immediate energy (glucose)

  • Fiber (like cellulose) promotes bowel movements and moderates cholesterol before it enters the blood


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The basics (lipids)

  • Mostly nonpolar (hydrophobic)

- combined by nonpolar bonds


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Multiple functions (lipids)

  • Energy storage

  • Insulation

  • Chemical messengers


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Glycerol (fats/oils)

  • 3 carbons, 5 hydrogens, 3 hydroxides

  • Alcohol (ends in “ol”)