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(A) The graph shows a bell-shaped curve,which is characteristic of the effect of $pH$ or temperature on enzyme activity.Enzyme activity increases with

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Enzyme activity $-$ $pH$

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(A) The graph shows a bell-shaped curve,which is characteristic of the effect of $pH$ or temperature on enzyme activity.Enzyme activity increases with an increase in $pH$ or temperature up to an optimum point and then decreases as the enzyme gets denatured.In contrast,the effect of substrate concentration on enzyme activity typically shows a hyperbolic curve,where activity increases and then plateaus (reaches $V_{max}$).Looking at the options,both $A$ and $D$ represent bell-shaped curves (Enzyme activity vs $pH$ or Temperature).However,in standard textbook representations,$pH$ is often plotted on the $X$-axis and enzyme activity on the $Y$-axis for this specific bell-shaped curve pattern.Therefore,$X$-axis represents $pH$ and $Y$-axis represents enzyme activity.

Column $X$	Column $Y$
$(1)$ Aldolase	$(P)$ Hydrolases
$(2)$ Hexokinase	$(Q)$ Ligases
$(3)$ Succinic dehydrogenase	$(R)$ Lyases
$(4)$ Fructose isomerase	$(S)$ Oxidoreductases
$(5)$ Lactase	$(T)$ Transferases
$(6)$ Acetyl $CoA$ synthetase	$(U)$ Isomerases

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

Column-$I$	Column-$II$
$(A)$ Transferases	$(i)$ $H_4P_2O_7$ related reactions
$(B)$ Lyases	$(ii)$ Hexokinase
$(C)$ Isomerases	$(iii)$ Cytochrome oxidase
$(D)$ Ligases	$(iv)$ Aldolase
$(E)$ Oxidoreductases	$(v)$ Glucose-$6$-phosphate $\rightarrow$ Fructose-$6$-phosphate

The given graphical representation relates to enzyme activity under three conditions ($pH$,temperature,and substrate concentration). What do the given axes $X$ and $Y$ represent?
$X$-axis $-$ $Y$-axis

Similar Questions

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Aldolase $(P)$ Hydrolases
$(2)$ Hexokinase $(Q)$ Ligases
$(3)$ Succinic dehydrogenase $(R)$ Lyases
$(4)$ Fructose isomerase $(S)$ Oxidoreductases
$(5)$ Lactase $(T)$ Transferases
$(6)$ Acetyl $CoA$ synthetase $(U)$ Isomerases

The activity of an enzyme is sensitive to the presence of specific chemicals,which is called:

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

Statement $x$: Enzymes are active within a specific temperature range.
Statement $y$: Enzymes are destroyed at low temperatures.

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The given graphical representation relates to enzyme activity under three conditions ($pH$,temperature,and substrate concentration). What do the given axes $X$ and $Y$ represent?$X$-axis $-$ $Y$-axis