LIPIDS BCH201

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 *Lipids can be defined as any fat - soluble (Lipophilic), naturally occurring molecules such as Fats, Oils, Waxes and Fat - soluble* vitamins


*Lipophilic means when something tends to combine with or dissolve in lipids or fa



*Fat are used synonymously for lipid however, Fat is just one of the classes involved in lipid and contain greater amount of energy than carbohydrates(energy Storage for living organism



*Though, the energy gotten from carbohydrates are fast and reliab


*Lipids can be classified into two

 *1. Storage Lipids*

 *2. Structural lipids


Lipids has a lot of functions but I will be highlighting about seven points to note do


*Biological Functions of Lipids

 *1. Energy Storage*

 *2. Enzyme co - factors*

 *3. Emulsifying agents in* *digestive tract, hormones and* *intracellular Messengers*

 *4. Electron carrier*

 *5. Light absorbing pigment*

 *6. Structural components of cell membranes*

 *7. Hydrophobic anchors for protein


*Storage Lipids are divided into 3 classes while structural lipids are divided into 5classes according to BCH 201 manua


*Storage Lipids

 *i. Fatty acids*

 *ii. Triacylglycerols*

 *iii. Waxes


*Structural Lipids

 *i. Glycerophospholipids*

 *ii. Galactolipids*

 *iii. Sulfolipids*

 *iv. Sphingolipids*

 *v. Sterols


*Triacylglycerols and waxes are build from fatty acids


 *Fatty Acids that has fat, carboxylic acid. They are made of hydrocarbon chain



*Fatty acid is classified int

 *1. Saturated*

 *2. Unsaturated

*Saturated fatty acid are fatty acid that the carbons are fully filled,no way for any radical to come in. By implication,they are only containing only single bond.


*Unsaturated fatty acids are fatty acids tht the carbons are not fully filled, partially saturated. By implication,they are containing one or two double bonds



*IDENTIFICATION OF SATURATED AND UNSATURATED FATTY ACI


*There's something like the following there

 *Common name and carbon skeleton



*16:1(∆ⁿ

 *16 means a particular fatty acid that has 16 carbon atoms*

 *:* *Means ratio*

 *1 means there is one double bond


*∆ shows where the double bond i



ⁿ means C1, C2, C3 and so

1,2, 3 et


So, 16:1(∆ⁿ

First thing to note is that, it's an unsaturated fatty acid that has a double bon



Let's use Palmitoleic acid as an exam


16:1(∆

16carbon chain with one double bond at position 



 *Written by

         Miss Awe Veronic


✍️ *FLASHPEE EDUCATIONAL TEAM*

 la:* 99)pled) c ons**  )* ** DS*.*** o* s** *    * *  * l**      * wn* * le*s)*t* la:* 99)pled) c ons**  )* ** DS*.*** o* s** *    * *  * l**      * wn* * le*s)*t*



 *Written by:* 

         Miss Awe Veronica


✍️ *FLASHPEE EDUCATIONAL TEAM* 

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