4.4 Cofactors, coenzymes and prosthetic groups Flashcards
1
Q
Define what cofactors are
A
Non-protein components necessary for effective functioning of enzyme
2
Q
What does amylase catalyse the breakdown of? What is the cofactor of amylase?
A
Starch.
Cl-
3
Q
What is a prosthetic group?
A
Non-protein component of conjugated proteins
4
Q
What is carbonic anhydrase responsible for? What is its prosthetic group?
A
Metabolism of carbon dioxide
Zn2+
5
Q
Why are prosthetic groups needed?
A
Enable certain enzymes to catalyse
6
Q
How are prosthetic groups connected to enzymes?
A
Tightly bound, forming a permanent structure on the enzyme
7
Q
What do cofactors do to activate enzymes?
A
Bind loosely to enzyme
