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Investigating Enzymatic Reactions
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Cards (10)
What are enzymes?
Enzymes are biological
catalysts
that speed up chemical
reactions
in living organisms.
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What is the active site of an enzyme?
The active site of an enzyme is the region where
substrate
molecules bind and undergo a chemical
reaction.
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How does temperature affect enzyme activity?
Temperature affects enzyme activity by increasing
reaction
rates up to a certain point, after which activity
declines.
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What happens to an enzyme if the temperature is too high?
If the temperature is too high, an enzyme can
denature
, losing its
shape
and functionality.
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How does pH affect enzyme activity?
pH affects enzyme activity by altering the enzyme's
shape
and
charge
, which can enhance or inhibit its function.
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What is the purpose of an enzyme-substrate complex?
The purpose of an enzyme-substrate complex is to facilitate the
conversion
of substrates into
products
during a chemical reaction.
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How can enzyme activity be measured in a lab?
Enzyme activity can be measured by assessing the rate of product
formation
or substrate
consumption
in a reaction.
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Why is it important to control variables in enzyme experiments?
Controlling variables in enzyme experiments is important to ensure that the results are
valid
and can be attributed to the enzyme activity
alone.
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What is the optimum pH for most human enzymes?
The optimum pH for most human enzymes is around
7.4.
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What does it mean when an enzyme is denatured?
When an enzyme is denatured, it loses its three-dimensional
structure
and, consequently, its
functionality.
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