Answer:
-All enzymes are globular proteins. Enzymes catalyse reactions without being
destroyed or chemically changed. The action of enzyme is specific. For example,
maltase only catalyse the hydrolysis of maltose. Enzyme is sensitive to
temperature. An enzyme could only function in a small range of temperature. At
temperatures much higher than optimum. Enzymes are inactive as enzymes are
denatured. Enzymes are also sensitive to pH. Each enzyme can function only in a
small range of pH. Outside this range of pH, enzymes become less active or
inactive. Enzyme molecule is much larger than substrate molecule. The presence
of enzymes does not change the product
of the catalysed reaction. The same enzyme catalses reaction in both directions
of a reversible raction.
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