๐Ÿ”ฌgeneral biology i review

key term - Lipids

Definition

Lipids are a diverse group of hydrophobic molecules that include fats, oils, waxes, and steroids. They play crucial roles in energy storage, cell membrane structure, and signaling.

5 Must Know Facts For Your Next Test

  1. Lipids are primarily composed of carbon, hydrogen, and oxygen atoms.
  2. Triglycerides, a type of lipid, consist of one glycerol molecule bound to three fatty acids.
  3. Phospholipids form the bilayer of cell membranes with hydrophilic heads and hydrophobic tails.
  4. Steroids, such as cholesterol, function as signaling molecules and structural components of cell membranes.
  5. Unsaturated fats have at least one double bond in their fatty acid chains, while saturated fats have no double bonds.

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