The enzyme phosphoglucomutase belongs to which of the following classes?

Most of the enzymes work at an optimum temperature between . . . . . . .

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Transferases	$(P)$ Maltase
$(2)$ Hydrolases	$(Q)$ Hexokinase
$(3)$ Lyases	$(R)$ Fructose isomerase
$(4)$ Isomerases	$(S)$ Aldolase

In homeotherms,the enzymatic reaction occurs best at . . . . . . °$C$.

Non-competitive inhibitors alter:

The rate of enzyme reactions rises with the increase in substrate concentration. But it does $NOT$ increase beyond a certain concentration because . . . . . . .