The active site of an enzyme is a. frequently located in a cleft in the enzyme b. is the portion of the enzyme to which the substrate binds contains the reactive groups that catalyze the reaction c. d. all of the above

convalent bond :

is a chemical bond formed by the sharing of electron between 2 atoms.

it is the direct chemical bond between 2 atoms.

in bond formation atoms are involved here.

electrovalent bond:

is a chemical bond defined as electroststic attraction between 2 atoms.

it is the electrostatic attraction between 2 atoms.

in bond formation, ions are involved here.

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