Required Practical: Enzymes (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
What are enzymes?
What are enzymes?
Biological catalysts that speed up chemical reactions
What amylase breaks down
What amylase breaks down
Starch into maltose
Iodine solution tests for
Iodine solution tests for
Starch
Colour of iodine with starch
Colour of iodine with starch
Blue-black
Testing interval in amylase practical
Testing interval in amylase practical
Every 30 seconds
Optimum temp. for human enzymes
Optimum temp. for human enzymes
Around
What happens to enzymes beyond optimum temp.
What happens to enzymes beyond optimum temp.
They become denatured
Optimum conditions for enzymes
Optimum conditions for enzymes
Specific temps. & pH levels where they work best
Rate of reaction as temp. increases to optimum
Rate of reaction as temp. increases to optimum
Increases
pH for fastest enzyme reaction rate
pH for fastest enzyme reaction rate
At the enzyme's optimum pH