10 Questions
Carbohydrates are the least abundant biomolecules on earth.
False
One of the primary functions of carbohydrates is to provide energy.
True
Carbohydrates do not play a role in building macromolecules in the body.
False
Polysaccharides are composed of short chains of monosaccharide units.
False
Disaccharides contain two monosaccharide units, such as sucrose.
True
Glycogen is a polysaccharide composed of fructose units.
False
Maltose is an example of a disaccharide formed by C-glycosidic bond.
False
Polysaccharides primarily differ in the types of bonds linking the units and in the degree of branching.
False
Starch serves as a structural role in plants.
False
Peptidoglycan is an example of homo-polysaccharide.
False
Study Notes
Carbohydrate Overview
- Carbohydrates are the least abundant biomolecules on earth.
Functions of Carbohydrates
- One of the primary functions of carbohydrates is to provide energy.
- Carbohydrates do not play a role in building macromolecules in the body.
Types of Carbohydrates
- Polysaccharides are composed of short chains of monosaccharide units.
- Disaccharides contain two monosaccharide units, such as sucrose.
- Glycogen is a polysaccharide composed of glucose units (not fructose).
- Maltose is an example of a disaccharide formed by C-glycosidic bond.
Characteristics of Polysaccharides
- Polysaccharides primarily differ in the types of bonds linking the units and in the degree of branching.
Examples of Polysaccharides
- Starch serves as a structural role in plants.
- Peptidoglycan is an example of a homo-polysaccharide.
Test your knowledge on carbohydrates, the most abundant biomolecules on earth. Explore the properties, structures, and functions of carbohydrates as covered in Lecture #9 from Lehninger Principles of Biochemistry Chapter 7.
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