Select the correct option for the active site.

At the time of cotton seeds germination,the stored food is digested by

Enzymes are basically or all enzymes contain:

Arrange the following steps of enzyme action in the correct order:
$I - E + P$
$II - ES$ complex
$III - EP$ complex
$IV - E + S$

The presence of proteins in the protoplasm is of great importance because ......

Regarding the catalytic cycle of an enzyme action,select the correct sequential steps:
$A$. Substrate-enzyme complex formation.
$B$. Free enzyme ready to bind with another substrate.
$C$. Release of products.
$D$. Chemical bonds of the substrate broken.
$E$. Substrate binding to active site.
Choose the correct answer from the options given below: