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Biochemistry/Biomolecules: Lanolin and Waxes Quiz

17 Questions

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Biochemistry/Biomolecules: Lanolin and Waxes Quiz

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Questions and Answers

What is lanolin commonly used for?

As a waterproof coating

As a base for skin creams (correct)

As a component in candles

As a fuel source

Which type of wax is obtained from the processing of petroleum?

Paraffin wax

Lanolin wax

Mineral wax (correct)

Beeswax

What property do mineral waxes, like paraffin waxes, possess?

Sweet taste

Colorful appearance

Moisture resistance (correct)

Strong odor

In what way do mineral waxes like paraffin waxes serve as a coating for paper products?

To provide waterproofing Signup and view all the answers

What is the primary use of candles mentioned in the text?

To provide light Signup and view all the answers

What type of wax is commonly used in candle-making along with mineral waxes?

Beeswax Signup and view all the answers

Which statement best describes the solubility of lipids?

Insoluble in water but soluble in nonpolar solvents Signup and view all the answers

What is the primary reason why lipids are insoluble in water?

They have a hydrophobic nature Signup and view all the answers

How do lipids contribute to thermal insulation in living organisms?

By providing a barrier against heat loss Signup and view all the answers

Which property of lipids is crucial for their role as energy sources?

Hydrophobic nature Signup and view all the answers

In what way does the structure of lipids influence the composition of cell membranes?

By integrating with phospholipids to form the bilayer Signup and view all the answers

What is the main function of lipids in terms of energy?

Storing potential chemical energy Signup and view all the answers

How do lipids differ from carbohydrates in terms of storage in the body?

Lipids can be stored in larger amounts Signup and view all the answers

Which role do subcutaneous lipids primarily serve?

Providing thermal insulation Signup and view all the answers

What is the significance of lipids in the cell membrane structure?

Being responsible for membrane integrity Signup and view all the answers

Which statement accurately describes the calorific value of lipids compared to carbohydrates?

Lipids have twice the calorific value of carbohydrates Signup and view all the answers

What is the primary function of nonpolar lipids in terms of cellular processes?

Acting as electrical insulators Signup and view all the answers