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Structure of enzymes
Enzymes are made of ________ _________.
These are made up of _________ _______.
Enzymes are ______________ ___________.
They ________ up reactions by lowering the
_____________ ________.
Enzymes have an _________ _______. This
is where the substrate joins.
The active site is _____________________
and ___________ to the corresponding
substrate.
Enzymes speed a reaction up but do not
________ it.
Words: Protein, specific, active site, change,
complementary, biological catalysts, amino acids,
activation energy, speed.
Effect of enzyme concentration on enzyme
action. Identify the optimum point
Rate of
Reaction
Enzyme concentration
Effect of substrate concentration on enzyme
action. Identify the optimum point
Rate of
Reaction
Substrate concentration
Draw a diagram of how enzymes work and
label it.
Effect of temperature on enzyme action
Rate
of
reaction
Temperature
B2.3 Enzymes
Enzymes in digestion
For each enzyme identify, where it works and what it
breaks down and the products.
Amylase
Works in: ____________________________________
Breaks down and products produced:
____________________________________________
____________________________________________
Proteases
Works in: ____________________________________
Breaks down and products produced:
____________________________________________
____________________________________________
Lipases
Works in: ____________________________________
Breaks down and products produced:
____________________________________________
____________________________________________
Why are enzymes important in the body?
____________________________________________
____________________________________________
____________________________________________
____________________________________________
What does denature mean? When does this happen?
_______________________________________
_______________________________________
_______________________________________
Draw a diagram of a denatured enzyme.
What is meant by the term ‘optimum temperature’?
Identify
the optimum pH of each enzyme:
_______________________________________
_______________________________________
Effect of pH on enzyme action. Identify the
optimum point
Rate of
Reaction
pH