12 Questions
What is the main defining characteristic of lipids?
Insolubility in water
Which component serves as the building blocks of lipids?
Fatty acids
What type of bonds are present in saturated fatty acids?
Single bonds
What is the main function of essential fatty acids like linoleic acid?
Cannot be synthesized by the body
What is the structure formed when three molecules of fatty acids are connected to a glycerol molecule?
Triglyceride
What are micelles important for in relation to fatty acids?
Transporting insoluble lipids in the blood
What is the primary function of bile salts in the digestive system?
To emulsify fats, aiding in their digestion
Which of the following statements about saturated fatty acids is true?
They have a fully extended, rigid conformation as the most stable form
What is the primary role of steroid hormones in the body?
To regulate various bodily functions
Which class of lipids contains sphingosine instead of glycerol?
Sphingolipids
What is the primary function of prostaglandins in the body?
To regulate processes like reproduction, blood clotting, and inflammation
Which lipid class is abundant in brain tissue and sometimes referred to as cerebrosides?
Glycolipids
Explore the world of lipids in this quiz focusing on their compositions, structures, and functions in both plants and animals. Learn about fatty acids, the building blocks of lipids, and their roles in energy storage, cell membranes, and insulation.
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