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Macromolecules Quiz

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Questions and Answers

What is the most common monosaccharide?

Fructose

Glucose (correct)

Galactose

Maltose

What is the difference between starch and cellulose?

Starch is largely helical and cellulose molecules are straight and unbranched (correct)

Starch is a polymer of fructose and cellulose is a polymer of glucose

Starch is straight and unbranched and cellulose is largely helical

Starch is a polymer of glucose and cellulose is a polymer of fructose

What is a disaccharide?

A reaction that is essentially the reverse of the dehydration reaction

A monomer composed of a single sugar

A covalent bond between two monosaccharides (correct)

A polymer composed of many sugar building blocks

Which polysaccharide is a major component of the tough wall of plant cells?

<p>Cellulose</p> Signup and view all the answers

What is lactose intolerance?

<p>Inability to breakdown lactose in dairy products due to lactase deficiency</p> Signup and view all the answers

Study Notes

Monosaccharides

Glucose is the most common monosaccharide.

Polysaccharides

Starch and cellulose are both polysaccharides, but they differ in their glycosidic bonds: starch has α-1,4 bonds, while cellulose has β-1,4 bonds.
Cellulose is a major component of the tough wall of plant cells.

Disaccharides

A disaccharide is a type of sugar formed by the bonding of two monosaccharides.

Lactose Intolerance

Lactose intolerance is a condition in which the body is unable to digest lactose, a disaccharide found in milk, due to a lack of lactase enzyme.

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Description

Test your knowledge on the four classes of large biological molecules that make up all living things. This quiz will cover the basics of macromolecules, including their composition, structure, and function. You'll also learn about the condensation reaction, which plays a crucial role in the formation of these polymers. Sharpen your understanding of carbohydrates, lipids, proteins, and nucleic acids by taking this quiz today!