B5 enzymes Flashcards
1
Q
define enzymes
A
- proteins that are involved in all metabolic reactions
- where they function as biological catalysts
2
Q
how does pH affect enzyme activity
A
- inc pH, inc activity
- past optimum pH, activity decrease
3
Q
how does temperature affect enzyme activity
A
- temp inc, activity inc
- past optimum temp, activity decrease
4
Q
describe enzyme action
A
- substrate fits into active site (complementary shape)
- enzyme-substrate complex formed
- product leave enzyme’s active site
5
Q
what happens to enzyme if pH/temp increases past optimum temp
A
- denature
- shape will change
- substrate no longer fits
- unable to form e-s complex and reaction cannot take place
