Digestive Enzymes (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why does physical breakdown of food increase the efficiency of digestion?
Why does physical breakdown of food increase the efficiency of digestion?
It increases surface area for enzymes
What occurs during hydrolysis in chemical digestion?
What occurs during hydrolysis in chemical digestion?
Molecules split by adding water to bonds
Which products result from lipase breaking down fats and oils?
Which products result from lipase breaking down fats and oils?
Glycerol and fatty acids
Where is salivary amylase produced and where does it begin working?
Where is salivary amylase produced and where does it begin working?
Salivary glands; begins in the mouth
What happens to salivary amylase when food reaches the stomach?
What happens to salivary amylase when food reaches the stomach?
Acidic pH denatures the enzyme
What is the role of maltase in carbohydrate digestion?
What is the role of maltase in carbohydrate digestion?
Breaks maltose into two glucose units
How do bile salts assist lipid digestion?
How do bile salts assist lipid digestion?
Break large droplets into micelles
What is the specific function of endopeptidases in protein digestion?
What is the specific function of endopeptidases in protein digestion?
Break internal peptide bonds
Which digestive enzymes are membrane-bound on intestinal epithelial cells?
Which digestive enzymes are membrane-bound on intestinal epithelial cells?
Maltase, sucrase, and dipeptidases
Why do many adults experience lactose intolerance?
Why do many adults experience lactose intolerance?
Lactase production decreases with age