Proteins and Enzymes Flashcards
1
Q
Proteins in cells include:
A
- Enzymes
- Antibodies
- Hormones
- Structural proteins - keratin ( hair and nails ) , ligaments , muscles
2
Q
What are enzymes?
A
biological catalysts made by all living cells
3
Q
What do enzymes speed up?
A
cellular reactions
4
Q
What happens to enzymes once used?
A
They are left unchanged
5
Q
What is the shape of an active site of an enzyme?
A
complementary to a specific substance - like a lock is to a key
6
Q
When will enzymes work best?
A
At its optimum conditions
7
Q
What are enzymes and proteins affected by?
A
temperature and pH
8
Q
What will high temperature or wrong pH do to an enzyme?
A
alter the shape , the reaction will become slow / stop , no longer to function becomes denatured.
