Enzymes (CCEA AS level Biology)

This information is taken from AS level biology booklets so will be basic answers

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Last updated: January 8, 2013

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Hint	Answer
What do enzymes do to reactions?	Lower the activation energy
When an enzyme and it's substrate(s) come into the correct orientation they form...	Enzyme-substrate complex
Which protein structure level influences the function of an enzyme?	Primary
Building up reaction	Anabolic
Breaking down reaction	Catabolic
Binding theory used for enymes and substrates	Induced fit
When the bonds holding an enzyme together begin to break the enzyme becomes...	Denatured
Why does the above make an enzyme unusable?	Active site's shape changes

Hint	Answer
Enzymes work best at an _______ temperature	Optimum
A substance that inhibits enzyme activity	Enzyme inhibitor
Something which comptetes directly with substrates for the active site	Competitive inhibitor
Cyanide is an example of this	Non-competitive inhibitor
Immobilising enzymes by holding them inside a gel	Gel entrapment
Non-protein compounds required to activate some enzymes are called...	Co-factors
These are tightly bound to the enzyme	Prostetic groups
An instrument used to measure the density of colour in a coloured solution	Colorimeter