Linolenic acid, CH3CH2CH=CHCH2CH=CHCH2CH2CH2CH2CH2CH2CH2COOH, is _____. Group of answer choicesan omega-3 acidan omega-6 acidan omega-9 acidan omega-14 acid
Question
Linolenic acid, CH3CH2CH=CHCH2CH=CHCH2CH2CH2CH2CH2CH2CH2COOH, is _____. Group of answer choicesan omega-3 acidan omega-6 acidan omega-9 acidan omega-14 acid
Solution
Linolenic acid is an omega-3 acid.
Here's why:
The term "omega" refers to the position of the first double bond in the fatty acid molecule, counting from the end of the carbon chain opposite the carboxylic acid group (-COOH).
In the case of linolenic acid, the first double bond is located at the third carbon atom from the end of the molecule (the omega end), hence it is classified as an omega-3 fatty acid.
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