Enzymes

What is the activation energy?
-Energu required to overcome an energy barrier
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How do enzymes do this?
-By heating reactants, enzymes lower activation energy
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What happens when a substrate fits with an active site?
-Enzyme substrate complex forms, bonds form between the amino acids of enzyme and parts of substrate Enzyme product complex forms + no longer fis active site..
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What is catabolism and anabolism?
catabolism- breakdown of molecules Anabolism- buildup of molecules
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What are the two types f enzyme action?
Lock+key and induced fit
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Descibe the lock and key model
-substrate has a complimentary shape to enzyme active site
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Describe the induced fit model
-active site moulds itself around substrate, enzyme breaks bonds and lowers activation energy, products released are different shapes
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What are enzymes and what tye of protein are they?
-biological cataysts , globular proteins
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What are cofactors?
-non-proteins substances enzymes need to function
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What is a prosthetic group
- protein group eg. haem group
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What is a co-enzyme?
-non-protein necessary for enzyme action, not permenantly attached
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Other cards in this set

Card 2

Front

How do enzymes do this?

Back

-By heating reactants, enzymes lower activation energy

Card 3

Front

What happens when a substrate fits with an active site?

Back

Preview of the front of card 3

Card 4

Front

What is catabolism and anabolism?

Back

Preview of the front of card 4

Card 5

Front

What are the two types f enzyme action?

Back

Preview of the front of card 5
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