enzymes Flashcards
1
Q
what are enzymes ?
A
mostly proteins
efficient
specific
potent
2
Q
what do enzymes do to the activation energy ?
A
they lower it
3
Q
what do enzymes require ?
A
coenzymes and cofactors
4
Q
whats the difference between coenzymes and cofactors ?
A
cofactors - metal ions
5
Q
whats a common example of coenzymes ?
A
vitamins
6
Q
what are isozymes ?
A
isoforms of enzymes
they catalyse the same reaction but haev diffrent properties, stuctures and sequences
7
Q
whats an example of isozymes ?
A
Lactate Dehydrogenase
- 2 subunits:
Heart ( promotes aerobic metabolism )
Muscle ( promotes anaerobic metabolism )
