Proteins that possess catalytic activity are called . . . . . . .

Who coined the term $zymase$ for enzymes in yeast?

The enzyme involved in the transfer of electrons is ......... .

How do enzymes increase the rate of chemical transformation?

Match List $I$ with List $II$ :

List $I$	List $II$
$A.$ Lipase	$I.$ Peptide bond
$B.$ Nuclease	$II.$ Ester bond
$C.$ Protease	$III.$ Glycosidic bond
$D.$ Amylase	$IV.$ Phosphodiester bond

Choose the correct answer from the options given below :

The concept which suggests that the active site of an enzyme is flexible and continually reshapes by its interaction with the substrate is known as . . . . . . .