Which enzyme is responsible for the hydrolysis of lactose?

Which of the following is an example of ligases?

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

Enzymes,vitamins,and hormones can be classified into a single category of biological chemicals because all of these

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

Those nucleic acids which behave like enzymes are known as