Slide 1 lipid bilayer fluid one layer of lipids one layer of lipids Stepped Art Figure 4.3 Page 56.
Notes: Unit 1--Lipids Name Date Hour. (1) What is a lipid? Type of Biomolecule Means “fat”
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Transcript of Notes: Unit 1--Lipids Name Date Hour. (1) What is a lipid? Type of Biomolecule Means “fat”
(3) Monomer
• Monomer: Basic unit or Smallest unit of a polymer (larger molecule).
• Lipid Monomer:– Fatty Acid & Glycerol
(4) Polymer
• Polymer: A larger structure (molecule) made of many smaller units (monomers).
• Lipid Polymer:– Neutral Fat– Steroid & Hormone– Phospholipid
(5) Types of Lipids• Neutral Fat:
Fats & OilsLong Term Energy & Insulation
• Steroids:Chemical MessagesGrowth, Reproduction
• Phospholipids:Cell Membrane StructureHydrophobic & HydrophilicPolar Head, Nonpolar Tails
(6) Function
• Major:– Long Term Energy Storage– Membrane Structure
• Minor:– Chemical Message (Steroids & Hormones)
(7) Examples
• Saturated & Unsaturated Fats
• Oils & Grease
• Foods with Fat & Oil:– Nuts– Meats– Dairy
(8) Saturated, Unsaturated & Trans Fat
• Saturated Fat:Carbon Single Bonds Lots of Hydrogen Around CarbonsSolidify Quickly Arterial Build Up
• Unsaturated Fat:Carbon Double Bonds Less HydrogenCell Membranes & Energy
• Trans Fat:Carbon Double Bonds Different than other Unsaturated FatsArterial Build Up faster than normal Saturated Fats