ࡱ > ) + ! " # $ % & ' ( bjbj O O O O O 4 0 " $ $ $ $ $ $ Q" J $ O 0 $ O O 9 O O " " @=zm* . O 0 " H B " " O ( $ $ H " : NEUTRAL FATS, STEROIDS & PHOSPHOLIPIDS - Large molecules, insoluble in water - Long term storage for energy - Vegetable oils, animal fats etc. - Most efficient form of storing energy STRUCTURE: - A glycerol (3 Carbon) backbone with 3 Fatty Acids attached. This is a Neutral Fat or a Triglyceride Glycerol Phospholipids - the third fatty acid group is replaced by a phosphorous group C C O C OH HO P OH OH - This makes the phospholipid molecule polar - It can dissolve in water - Phosphorous head is hydrophylic (loves water) and the fatty acid tails are hydrophobic (hates water) Cell Membrane C C 2 Fatty acids (Hydrophobic) C P Phosphorous group (Hydrophylic) Saturated and Unsaturated Fats: Saturated: - All Carbon atoms are singly bonded - Makes it a solid at room temperature - Lard, butter, animal fats H H H H H H C-C-C-C-C-C-H H H H H H H Unsaturated: - Some Carbon atoms are doubly bonded - Makes them a liquid at room temperature - Olive oil, corn oil, palm oil etc. H H H H H C-C=C-C-C=C=C-C-H H H H H H Polyunsaturated: - Many double bonds - Fewer hydrogens Steroids: 4 Carbon rings (5 or 6 carbons) in each ring fused together - Related to cholesterol (made from cell membranes) - Used as sex hormones (Testosterone, Estrogen, Progesterone) - Fat soluble ' O U v w # ) 5 8 A B C F ( Y d j k t v ÿ迫}pY}Y ,j h{ h{ CJ OJ QJ UmH nH u h{ h/v CJ OJ QJ h{ h/v OJ QJ ,j h{ h/v CJ OJ QJ UmH nH u h{ hW >*OJ QJ h{ h/v >*OJ QJ j h/v Uh/v hW h/v 5OJ QJ \ hW h/v 5>*OJ QJ \h{ OJ QJ hW h/v OJ QJ hW h/v >*OJ QJ " ' ( O q 6 A E F s t u ^` ) N u E F c ' ) , 1 M P Q u x # F G G J K N U a ɼްިިިިިރɨޚ ,j h{ h{ CJ OJ QJ UmH nH u h{ h/v 5OJ QJ \ h OJ QJ h{ h/v >*OJ QJ h{ h/v CJ$ OJ QJ h{ OJ QJ h{ h/v CJ OJ QJ h{ h/v OJ QJ ,j h{ h/v CJ OJ QJ UmH nH u3c v K a h/v h/v j h UmH nH u h/v h{ OJ QJ h{ h/v OJ QJ , 1h/ =!"#$% 9 0 1h:p / =!"#$% P 5 0 1h:p / =!"#$% Fv atWq? JFIF LEAD Technologies Inc. V1.01 } !1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w !1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz h ? 0 (KKU쪆8AC#QR;lRD)o# wr@\unK6-aܦeŔ6蝑AJ6 $2)+_`ǿ7y5WN*#R2;8Sv"yn#0#ܒp ' G