What is another name for the class of enzymes known as synthetases?

Organophosphate insecticides inhibit:

All enzymes are proteins,except:

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:

Which statement is not correct for an enzyme?

Which one of the following belongs to the hydrolase group of enzymes?