20 Questions
What is the common property shared by lipids?
Insolubility in water and solubility in nonpolar solvents
What is the main nature of the structural components of biomembranes?
Phospholipids
Which function do lipids primarily serve in the subcutaneous tissues and around certain organs?
Thermal insulation
Where do combinations of lipid and protein (lipoproteins) serve as important cellular constituents?
In the mitochondria
Which of the following diseases is associated with abnormal chemistry or metabolism of lipids?
Obesity
What are the esters of fatty acids with glycerol known as?
Fats
Which type of fatty acids contain no double bonds and are solid at room temperature?
Saturated fatty acids
What is the general formula for saturated fatty acids?
$CnH2n+1COOH$
Which type of fatty acids contain one double bond?
Monounsaturated fatty acids
What are the lipid molecules derived from simple/compound lipids on hydrolysis known as?
Vitamins (A,D,E,K)
Which of the following is NOT a function of lipids?
Supply the body with water-soluble vitamins
Which statement about lipids is true?
They are not a preferable source of energy compared to carbohydrates
What is the most common property shared by lipids?
Insolubility in water
In which cellular constituents do combinations of lipid and protein (lipoproteins) occur?
Both in the cell membrane and in the mitochondria
Which disease is NOT associated with abnormal chemistry or metabolism of lipids?
Hypertension
Which type of fatty acids may be envisaged as based on acetic acid (CH3 —COOH) as the first member of the series?
Saturated fatty acids
What is the molecular formula for saturated fatty acids?
CnH2n+1COOH
Which type of fatty acids contain one double bond?
Monounsaturated fatty acids
What are the esters of fatty acids with glycerol known as?
Fats
Which type of fatty acids are solid at room temperature except if they are short chained?
Saturated fatty acids
Learn about the chemistry of lipids, a diverse group of compounds including fats, oils, steroids, and waxes, characterized by their insolubility in water and solubility in nonpolar solvents. Explore the functions of lipids such as being a storage form of energy and their role in cell membrane structure.
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