Enzymes are Very Specific Flashcards
1
Q
What do chemical reactions usually involve?
A
Things either being split apart or joined together
2
Q
What is a substrate?
A
A molecule that is changed in a reaction
3
Q
What does every enzyme molecule have?
A
An active site
4
Q
What is an active site?
A
The part where a substance joins on to the enzyme
5
Q
Why do enzymes usually only speed up one reaction?
A
Because for it to work, a substrate has to be the correct shape to fit into the active site
6
Q
What is the ‘lock and key’ model?
A
The idea that the substrate fits into the enzymes just like a key fits a lock
