Question

Describe competitive inhibition with an example

Answer 1

Good night.....

Competitive inhibition is caused by a reversible inhibitor(competitive one) which isselected by binding site of enzyme but can't activate the catalytic site.
Example --
Malonic acid has structural similarity with succinic acid. Succinic acid is specific substrate for succinic dehydrogenase(enzyme). But in some cases, malonic acid fits in binding site of succinic dehydrogenase as a competitive inhibitor butis not able to activate the catalytic site so products are not formed..
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Answer 2

hii there!!

Competitive inhibition


(Science: chemistry) inhibitor that occupies the active site of an enzyme or the binding Site of a receptor and prevents the normal substrate or ligand from binding.

at sufficiently high concentration of the normal ligand inhibition is lost: the Km is altered by the competitive inhibitor, but the vmax remains the same.

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