Inorganic catalysts work efficiently at . . . . . . temperature and . . . . . . pressure.

When is the enzyme released from the enzyme-substrate complex in its original form?

The figure shows the conversion of substrate into product by an enzyme. In which one of the four options are the components of the reaction labelled $a, b, c, \& \ d$ identified correctly?
$(i)$ Potential energy
$(ii)$ Transition state
$(iii)$ Activation energy with enzyme
$(iv)$ Activation energy without enzyme

Which of the following is an example of enzymes belonging to the class of ligases?

Decline in the activity of the enzyme hexokinase by glucose $6$-phosphate is caused by

Formation of Enzyme-substrate complex $(ES)$ is the first step in the catalysed reactions. Describe the other steps until the formation of the product.