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Chemistry of Lipids: Definition and Functions

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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?

Transporting lipids in the blood Signup and view all the answers

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

Fats Signup and view all the answers

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

Similar physical properties Signup and view all the answers

What is the general formula for fatty acids?

R-(CH2)n-COOH Signup and view all the answers

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

Saturated Fatty Acids Signup and view all the answers

What are fats mainly composed of?

Triglycerides Signup and view all the answers

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

Waxes Signup and view all the answers

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

Small / Medium / Long Chain Fatty Acids Signup and view all the answers

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

Bile acids Signup and view all the answers

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

Esters Signup and view all the answers

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

Compound Lipids Signup and view all the answers

What is the molecular formula for saturated fatty acids?

CnH2n+1COOH Signup and view all the answers

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

Unsaturated Fatty Acids Signup and view all the answers