A certain compound X occupied a site of an enzyme exactly opposite to that of the active site. This immediately resulted in the change of shape of the active site. X is called a ______
A. competitive inhibitor
B. non-competitive inhibitor
C. competitive messenger
D. receptor
Answer:B
A certain compound X occupied a site of an enzyme exactly opposite to that of the active site. This immediately resulted in the change of shape of the active site. X is called a ______
A. competitive inhibitor B. non-competitive inhibitor C. competitive messenger D. receptor