30 Questions
Which of the following is a common property of lipids?
Insolubility in water
What is the primary function of lipids as thermal insulators?
Providing insulation in subcutaneous tissues and around certain organs
Which type of lipids provide the body with fat-soluble vitamins?
Fats
In which cellular components do lipoproteins occur?
Cell membrane and mitochondria
What diseases are associated with abnormal chemistry or metabolism of lipids?
Obesity
Which of the following is an example of a small chain fatty acid?
Caproic acid
What type of compounds are lipids related to more by their physical properties than by their chemical properties?
Carbohydrates
What is the general formula for saturated fatty acids?
CnH2n+1COOH
What is the molecular formula of stearic acid?
CH3(CH2)16COOH
Which type of fatty acids contain one double bond?
Monounsaturated (MUFA)
What are fats in their liquid state called?
Oils
Which lipid molecule is derived from simple/compound lipids on hydrolysis?
Cholesterol
What are esters of fatty acids with glycerol called?
Fats
Which type of fatty acids occur mainly as esters in natural fats and oils?
Saturated Fatty Acids
What are esters of fatty acids with higher molecular weight monohydric alcohols called?
Waxes
What is the general formula for unsaturated fatty acids?
CnH2nCOOH
Which of the following is not a function of lipids?
Facilitate the synthesis of carbohydrates
Which type of compounds are lipids mainly related to based on their physical properties?
Nonpolar compounds
What is the primary storage form of energy in lipids?
Triglycerides
Which lipid functions as the main structural component of biomembranes?
Phospholipids
In which cellular components do lipoproteins occur?
Cell membrane and mitochondria
Which disease is associated with abnormal metabolism of lipids?
Atherosclerosis
Which of the following is a characteristic of saturated fatty acids?
Solid at room temperature except if they are short chained
What is the molecular formula of stearic acid?
C18H36O2
Which type of fatty acids contain one double bond?
Monounsaturated fatty acids
What are esters of fatty acids with higher molecular weight monohydric alcohols called?
Waxes
Which of the following is an example of a small chain fatty acid?
Lauric acid
What type of compounds are lipids related to more by their physical properties than by their chemical properties?
Carbohydrates
What is the primary function of lipids as thermal insulators?
Insulation to retain body heat
What type of fatty acids occur mainly as esters in natural fats and oils?
Saturated fatty acids
Learn about the heterogeneous group of compounds known as lipids, including their common properties and functions such as storage of energy. Explore the chemistry of fats, oils, steroids, waxes, and related compounds.
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