Biological molecules, Enzymes and Human Nutrition

What is the main component of cell walls in plants?

• Cellulose

• Protein

• Lipid

• Chitin

An enzyme can be described as a __________ __________.

• Biological catalyst

• Organic molecule

• Energy source

• Mineral supplement

What is the primary role of carbohydrates in the body?

• Energy storage

• Energy source

• Cell structure

• Hormone production

Which enzyme is responsible for breaking down starch?

• Amylase

• Lipase

• Protease

• Lactase

What does the liver produce to aid fat digestion?

• Insulin

• Bile

• Glucagon

• Mucus

Which sugar is the building block of starch and glycogen?

• Glucose

• Fructose

• Sucrose

• Galactose

Where are enzymes produced in the cell?

• Cytoplasm

• Mitochondria

• Nucleus

• Ribosomes

What elements are found in all proteins?

• Carbon, hydrogen

• Carbon, hydrogen, oxygen

• Carbon, hydrogen, nitrogen

• Carbon, hydrogen, oxygen, nitrogen

The enzyme that digests proteins in the stomach is?

• Pepsin

• Trypsin

• Amylase

• Lipase

What is the primary function of fiber in the diet?

• Quick energy

• Long-term energy

• Digestion aid

• Builds muscles