Carbohydrates

The video explains the processes of photosynthesis and respiration, focusing on glucose's role. It introduces carbohydrates, their composition, and the differences between monosaccharides, disaccharides, and polysaccharides. The video discusses how humans store energy as glycogen and the role of enzymes like amylase and lactase. It concludes with cellulose's role in plant structure and a summary of carbohydrates' importance in energy transfer.

What is the primary process by which plants convert carbon dioxide and water into glucose?

• Respiration

• Fermentation

• Glycolysis

• Photosynthesis

Which of the following is a simple sugar made of one subunit?

• Disaccharide

• Polysaccharide

• Monosaccharide

• Oligosaccharide

What enzyme is responsible for breaking down lactose in the gut?

• Lactase

• Sucrase

• Amylase

• Maltase

Why do starchy foods like rice and bread not taste sweet initially?

• They lack flavor

• Glucose is in a polymer form

• They are too dry

• They contain no glucose

What is the function of the enzyme amylase found in saliva?

• Synthesizes glucose

• Converts glucose to glycogen

• Breaks down proteins

• Breaks down amylose into simple sugars

How do humans store glucose for long-term energy?

• As cellulose

• As sucrose

• As glycogen

• As amylose

What is the main component of plant cell walls?

• Glycogen

• Cellulose

• Starch

• Glucose