Lipids/proteins Flashcards
(10 cards)
What are the typical naturally occurring unsaturated fatty acids?
Palmitoleic, Oleic, Linoleic, Linolenic, Arachidonic
What is the formula for Palmitoleic acid?
CH₃(CH₂)₅CH=CH(CH₂)₇COOH
What is the melting point of Oleic acid?
16 °C
What does the superscript in fatty acid notation indicate?
The position of double bonds from the carboxyl end of the molecule.
Why do unsaturated fatty acids have lower melting points than saturated ones?
Due to the presence of double bonds.
What is the process of converting oils to fats called?
Hydrogenation
What is a triacylglycerol?
A lipid formed by esterification of three fatty acids to glycerol; also called a triglyceride.
Where do triacylglycerols accumulate in the body?
In adipose tissue (primarily fat cells).
What is the primary function of triacylglycerols?
To serve as concentrated stores of metabolic energy.
What is glycerol?
A three-carbon compound that contains three hydroxyl groups.
