Chemistry of Lipids: Definition and Functions

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Questions and Answers

Which of the following is a common property of lipids?

  • Solubility in polar solvents like ether and chloroform
  • Solubility in both polar and nonpolar solvents
  • Insolubility in nonpolar solvents (correct)
  • Solubility in water

What is the main function of supplying the body with fat-soluble vitamins?

  • Energy storage
  • Structural component of biomembranes (correct)
  • Thermal insulation
  • Regulating metabolism

Which disease is associated with abnormal chemistry or metabolism of lipids?

  • Diabetes Mellitus (correct)
  • Osteoporosis
  • Hypertension
  • Anemia

What is the primary role of lipoproteins in the body?

<p>Transporting lipids in the blood (B)</p> Signup and view all the answers

Which type of lipid provides shape and contour to the body?

<p>Fats (A)</p> Signup and view all the answers

What is the common property of all lipids mentioned in the definition?

<p>Similar physical properties (C)</p> Signup and view all the answers

What is the general formula for fatty acids?

<p>R-(CH2)n-COOH (B)</p> Signup and view all the answers

Which type of fatty acids contain no double bonds and are solid at room temperature?

<p>Saturated Fatty Acids (D)</p> Signup and view all the answers

What are fats mainly composed of?

<p>Triglycerides (A)</p> Signup and view all the answers

Which lipid is an ester of fatty acids with higher molecular weight monohydric alcohols?

<p>Waxes (B)</p> Signup and view all the answers

What is the classification of fatty acids based on the 'R' group?

<p>Small / Medium / Long Chain Fatty Acids (C)</p> Signup and view all the answers

Which lipid molecule is derived from simple/compound lipids on their hydrolysis?

<p>Bile acids (A)</p> Signup and view all the answers

What are the aliphatic carboxylic acids mainly occurring as in natural fats and oils?

<p>Esters (B)</p> Signup and view all the answers

Which lipid contains esters of fatty acids with various alcohols along with an additional group?

<p>Compound Lipids (D)</p> Signup and view all the answers

What is the molecular formula for saturated fatty acids?

<p>CnH2n+1COOH (A)</p> Signup and view all the answers

What type of fatty acids may further be divided into Monounsaturated (MUFA) and Polyunsaturated (PUFA) acids?

<p>Unsaturated Fatty Acids (D)</p> Signup and view all the answers

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