Carbohydrate Metabolism Quiz

What is the first stage in carbohydrate catabolism?

• Absorption

• Digestion

• Fermentation

• Metabolism

Which enzyme in saliva catalyzes the hydrolysis of carbohydrates?

• α-Amylase

• Sucrase

• Maltase

• Lactase

Where does the majority of dietary carbohydrate digestion occur?

• Pancreas

• Large intestine

• Mouth and stomach

• Small intestine

What type of fibers are beneficial for reducing blood cholesterol?

• Insoluble fibers

• Soluble fibers

• Synthetic fibers

• Cellulose fibers

What condition results from a defect in disaccharidase activity?

• Diabetes

• Lactose intolerance

• Irritable bowel syndrome

• Celiac disease

What is the primary function of metabolism?

• Excretion of waste

• Acquisition and utilization of energy

• Digestion of food

• Absorption of nutrients

Which process occurs in the mitochondria and produces the majority of ATP?

• Glycolysis

• Citric acid cycle

• Electron transport chain

• Fermentation

What is the net gain of ATP from glycolysis?

• 8 ATP

• 6 ATP

• 4 ATP

• 2 ATP

What is produced during the citric acid cycle?

• NADH

• Lactate

• Fructose

• Glucose

What is the role of NAD+ in glycolysis?

• Synthesis of glucose

• Hydrolysis of carbohydrates

• Oxidation of substrates

• Energy storage