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Author Question: Arachidonic acid is a C20 acid that is involved in the biosynthesis of prostaglandins, an important ... (Read 42 times)

Deast7027

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on: Aug 23, 2018

Arachidonic acid is a C20 acid that is involved in the biosynthesis of prostaglandins, an important class of biomolecules. Provide the IUPAC name of arachidinic acid.
   



Question 2

Circle the hydrophilic part of sodium 4-dodecylbenzenesulfonate, a synthetic detergent, and put a rectangle around the hydrophobic part.
 
   



Question 3

Circle the hydrophilic part of sodium palmitate, a soap that is the sodium salt of a fatty acid, and put a rectangle around the hydrophobic part.
 
   



Question 4

Provide the general structure of a triglyceride.

Question 5

Why do hydrogenated fats have higher boiling points than the triglycerides from which they are derived?


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verrinzo

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Reply #1 on: Aug 23, 2018
Answer to Question 1

(5Z,8Z,11Z,14Z)-5,8,11,14-icosatetraenoic acid

Answer to Question 2



Answer to Question 3



Answer to Question 4



R, R and R are typcially C10-C19 chains, with or without cis C-C double bonds.



Answer to Question 5

The saturated side chains of hydrogenated fats pack together more efficiently than the unsaturated side chains of triglycerides, which contain cis double bonds, thereby raising the melting point.


Deast7027

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Reply 2 on: Aug 23, 2018
Excellent

okolip

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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