Carbohydrate Structure and Function

This video tutorial introduces the different forms of carbohydrates, focusing on their classifications: monosaccharides, disaccharides, oligosaccharides, and polysaccharides. The instructor explains the characteristics and examples of each type, such as glucose, fructose, sucrose, and starch. The video aims to provide a foundational understanding of carbohydrates, preparing viewers for more detailed discussions in future lessons.

What are the four main classifications of carbohydrates discussed in the tutorial?

• Sugars, Starches, Fibers, Proteins

• Monosaccharides, Disaccharides, Oligosaccharides, Polysaccharides

• Simple, Complex, Fibrous, Non-fibrous

• Lipids, Proteins, Nucleic Acids, Carbohydrates

Which of the following is a characteristic of monosaccharides?

• They are composed of two monosaccharides.

• They consist of three to seven carbon atoms.

• They are usually more than ten monosaccharides.

• They are long chains of monosaccharides.

What is the chemical formula of glucose, a common monosaccharide?

• C3H6O3

• C12H22O11

• C5H10O5

• C6H12O6

How is a disaccharide formed?

• By combining two monosaccharides

• By combining three monosaccharides

• By combining a monosaccharide and a polysaccharide

• By combining two polysaccharides

Which of the following is an example of a disaccharide?

• Starch

• Sucrose

• Fructose

• Glucose

What is the typical range of monosaccharides in oligosaccharides?

• 20 to 30

• 10 to 20

• 2 to 10

• 1 to 2

Why are oligosaccharides considered less common?

• They have a very specific range of monosaccharides.

• They are not found in nature.

• They are usually found in proteins.

• They are only found in plants.

What defines a polysaccharide?

• A single sugar molecule

• Two sugar molecules

• Long chains of monosaccharides

• A combination of proteins and sugars

Which of the following is a common polysaccharide?

• Glucose

• Starch

• Fructose

• Sucrose

What is the primary function of polysaccharides in the body?

• To build muscle

• To store energy

• To transport oxygen

• To provide immediate energy