Enzymes & Digestion (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Enzymes definition
Enzymes definition
Biological catalysts
Enzyme specificity
Enzyme specificity
Each enzyme is specific to a particular molecule type
What does amylase break down?
What does amylase break down?
Starch into simple sugars (maltose)
Where is amylase produced?
Where is amylase produced?
Salivary glands, pancreas, small intestine
What does pepsin break down?
What does pepsin break down?
Proteins into amino acids
Where is pepsin found?
Where is pepsin found?
Stomach
Where are other proteases produced?
Where are other proteases produced?
Pancreas and small intestine
What does lipase break down?
What does lipase break down?
Lipids (fats) into fatty acids & glycerol
Where is lipase produced?
Where is lipase produced?
Pancreas and small intestine
Role of digestive enzymes
Role of digestive enzymes
Break large food molecules into smaller, absorbable ones
Uses of digested molecules
Uses of digested molecules
Energy, growth, and repair
Optimal enzyme conditions
Optimal enzyme conditions
Specific pH levels and temperatures
Why are enzymes essential?
Why are enzymes essential?
Without them, digestion too slow to meet body's needs