ENZYMES
Q. What are
enzymes?
Ans: An enzyme is a protein that is synthesized in living cell
and
catalyzes or speeds up a thermodynamically possible reaction so that rate of
reaction is competible with biochemical process essential for maintenance of a
cell.
Q. In what way enzymes differ from chemical catalyst?
Ans: Enzymes
are invariably proteins. They are highly specific
for reactions and produce only expected
products. They function within a moderate pH and temperature range.
Q. How an enzyme loses its activity?
Ans: Being a protein, an enzyme loses its activity if subjected
to agents
like heat acids or bases, organic solvents or other conditions which denature
protein.
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