Enzymes
Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of

two proteins designated A and B
a protein designated A
a protein A and one-subunit a
a protein designated B

ANSWER DOWNLOAD EXAMIANS APP

Enzymes
Before they can react, many molecules need to be destabilized. This state is typically achieved through

oxidizing the molecules by removing electrons
the input of a small amount of activation energy
changing the three-dimensional shape of the molecule
changing the reaction from a biosynthetic to a catabolic pathway

ANSWER DOWNLOAD EXAMIANS APP