Enzymes & Digestion (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are enzymes in the context of digestion?
What are enzymes in the context of digestion?
Biological catalysts
What key property do enzymes have regarding the molecules they act on?
What key property do enzymes have regarding the molecules they act on?
They are specific to one molecule type
What does amylase break down?
What does amylase break down?
Starch
Which of these produces amylase?
Which of these produces amylase?
Salivary glands
What simple sugar does amylase produce from starch?
What simple sugar does amylase produce from starch?
Maltose
What do proteases break down?
What do proteases break down?
Proteins
Where is pepsin found?
Where is pepsin found?
Stomach
What type of molecule does lipase break down?
What type of molecule does lipase break down?
Lipids (fats)
What are the products when lipase breaks down fats?
What are the products when lipase breaks down fats?
Fatty acids and glycerol
Why do enzymes break down large food molecules into smaller ones?
Why do enzymes break down large food molecules into smaller ones?
So they can be absorbed into blood
What two conditions do enzymes work best at?
What two conditions do enzymes work best at?
Specific pH levels and temperatures
What would happen to digestion without enzymes?
What would happen to digestion without enzymes?
It would be too slow for body needs