Membrane Structure Tutorial

Marcos, Dax, and I went to this website to watch tutorials and answer questions. o.davidson.edu/people/macampbell/111/memb-swf/membranes.swf

Quiz Questions and Answers:

  1. _____ are the primary determinants of membrane structure, while _____ carry out membrane function.
    • Lipids, Proteins
  2. List the molecular components common to all phosphoglycerides.  
    • Phosphate, Glycerol, Two fatty acids
  3. State three classes of membrane lipids (Also name the most important one)
    • Glycolipids, Cholesterol, Phospholipids (Phospholipids)
  4. What type of bonding dominates interactions between lipid tails and limits fluidity?
    • Van der Waals forces

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Phospholipids- Contain two parts: Hydrophilic Heads (polar) and Hydrophobic Tails (non-polar)

Cholesterol- Makes the item firm and not so much of a liquid

Integral Protein- This protein goes all the way through the structure and determines what goes in and what goes out

Peripheral Protein- This lies on the outside of the structure

Glycoprotein- Searches for bonds and has carbohydrates attached to itself

Sugar Side Chains- Contains sugar for the structure

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