10 Questions
What makes up 95% of the nutritional lipids?
Fats & oils
What is a wax according to the text?
Ester of a long-chain alcohol and a fatty acid
What is the difference between fats and oils?
Fats are solid triglycerides, while oils are liquid triglycerides
Which type of fatty acids make up butter, leading to it being described as a 'saturated' fat?
Saturated fatty acids
What process can be used to 'harden' vegetable and fish oils?
Hydrogenation
What is the main reason most vegetable oils are described as 'unsaturated' fats?
They contain more monounsaturated or polyunsaturated fatty acids
What is the effect of adding hydrogen atoms to the double bonds in unsaturated fatty acids?
It increases the proportion of saturated fatty acids
Which type of lipids are composed of 3 fatty acyl residues esterified to a glycerol?
Triglycerides
How are triglycerides stored in cells?
In an anhydrous form (e.g. in fat droplets)
What is the main function of lipases in relation to triglycerides?
Catabolizing triglycerides
Test your knowledge about the composition and characteristics of nutritional lipids, including fats, oils, steroids, and waxes. Learn about the differences between fats and oils, and their physical states as triglycerides.
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