Cathepsin is a type of

Given below are the statements regarding enzymes. Choose the correct statements.
$i$. All enzymes are proteinaceous.
$ii$. Enzyme becomes more active at the temperature of $60^{\circ}C$ to $70^{\circ}C$.
$iii$. Enzymes have one or two active sites where substrate binds with the enzyme.
$iv$. Any increase or decrease in specific $pH$,enzyme activity is always enhanced.
$v$. Enzymes remain active to catalyze again after completion of first reaction.

Enzymes,which catalyse the joining of $C-O, C-S, C-N, P-O$ etc. bonds,are included in which of the following classes?

How do enzymes increase the rate of chemical transformation?

All enzymes are composed of which of the following?

Fat is hydrolysed by enzyme lipase to yield