Answer-
Enzymes differ from other catalysts in several significant ways:
Nature:
Enzymes are primarily organic compounds, specifically proteins, while many
other catalysts can be inorganic substances. This distinction makes enzymes
bio-catalysts, tailored for biological processes.
Molecular
Weight: Enzymes are typically high molecular weight
globular proteins, whereas non-enzymatic catalysts are often low molecular
weight compounds.
Specificity:
Enzymes exhibit high specificity, meaning they act on specific substrates to
produce particular products, leading to fewer by-products. In contrast, many
non-enzymatic catalysts are less specific and can produce a variety of
products, sometimes resulting in unwanted residues.
Reaction
Rates: Enzymes generally accelerate reactions much faster
than non-enzymatic catalysts. They can increase reaction rates several times
compared to the typically slower rates of inorganic catalysts.
Optimal
Conditions: Enzymes function effectively under mild
conditions, such as physiological pH and temperature, while many other
catalysts may require extreme conditions like high temperature and pressure.
Types:
Enzymes can be classified into activation enzymes and inhibitory enzymes, while
catalysts can be categorized as positive and negative catalysts.
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