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Lipids: Waxes and Their Properties

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Questions and Answers

What is the main reason waxes are water-repellent?

Combination of fatty acids with glycerol

Saturation of fatty alcohols in waxes

Presence of cholesterol in waxes

Weakly polar nature of the ester group (correct)

Which component makes up 90% - 95% of dietary fat?

Cholesterol

Glycerol

Waxes

Triacylglycerols (correct)

What is the main difference between waxes and triacylglycerols?

Waxes consist of cholesterol, while triacylglycerols consist of saturated fatty acids

Waxes are found in animal fat, while triacylglycerols are found in plant oils

Waxes are esters of fatty alcohols with fatty acids, while triacylglycerols consist of glycerol esterified with three fatty acids (correct)

Waxes are water-soluble, while triacylglycerols are water-insoluble

What gives the shiny surface to a polished apple?

Wax coating Signup and view all the answers

What makes glycerol soluble in water?

Three hydroxyl groups Signup and view all the answers

Which of the following best describes the reason why waxes are water-repellent?

The weakly polar nature of the ester group in waxes Signup and view all the answers

What is the main difference between waxes and triacylglycerols?

Waxes are esters of long-chain fatty alcohols with long-chain fatty acids, while triacylglycerols consist of a glycerol esterified with three fatty acids Signup and view all the answers

What gives the shiny surface to a polished apple?

A wax coating Signup and view all the answers

What is the main reason behind the water-repellent character of animal skin, plant leaves, and bird feathers?

The weakly polar nature of the ester group in waxes Signup and view all the answers

What is the main component of animal fat mostly found in adipose tissue?

Triacylglycerols Signup and view all the answers

Lipids: Waxes and Their Properties

Choose a study mode

Podcast

Questions and Answers

What is the main reason waxes are water-repellent?

Which component makes up 90% - 95% of dietary fat?

What is the main difference between waxes and triacylglycerols?

What gives the shiny surface to a polished apple?

What makes glycerol soluble in water?

Which of the following best describes the reason why waxes are water-repellent?

What is the main difference between waxes and triacylglycerols?

What gives the shiny surface to a polished apple?

What is the main reason behind the water-repellent character of animal skin, plant leaves, and bird feathers?

What is the main component of animal fat mostly found in adipose tissue?

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