Enzymes & Digestion (AQA GCSE Biology): Flashcards
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Practise the cards
13 cards from this deck
Definition of enzymes
Definition of enzymes
Biological catalysts
What is enzyme specificity?
What is enzyme specificity?
Each enzyme specific to a particular type of molecule
What amylase breaks down
What amylase breaks down
Starch into simple sugars (maltose)
Where amylase is produced
Where amylase is produced
Salivary glands, pancreas, small intestine
What proteases break down
What proteases break down
Proteins into amino acids
Example of a protease
Example of a protease
Pepsin
Where pepsin is found
Where pepsin is found
Stomach
What lipases break down
What lipases break down
Lipids (fats) into fatty acids & glycerol
Where lipase is produced
Where lipase is produced
Pancreas and small intestine
Why enzymes are essential in digestion
Why enzymes are essential in digestion
Without them, digestion too slow to meet body's needs
Optimal conditions for enzymes
Optimal conditions for enzymes
Specific pH levels & temperatures
What do enzymes break large food molecules into?
What do enzymes break large food molecules into?
Smaller, soluble molecules
Uses of absorbed molecules in body
Uses of absorbed molecules in body
Energy, growth, and repair