Maltose $+$ $H_2O$ $\to$ Glucose $+$ Glucose. Which enzyme is responsible for this reaction?

An allosteric enzyme has an allosteric site for .........

The rate of a chemical reaction can be expressed as $............$.

Identify $P, Q,$ and $R$ in the following descriptions:
$P -$ The component that undergoes transformation in a chemical reaction.
$Q -$ The component formed as a result of transformation in a chemical reaction.
$R -$ The component that remains unchanged after the completion of a chemical reaction.
What are $P, Q,$ and $R$ respectively?

What does $Q$ represent in the given figure?

The term -$ase$ is used for