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Title: Enzymes
Description: A concise, colourful summary sheet; designed to be ideal for revision. Defines and explains the structure and function of enzymes, as well as the effect of temperature, pH, substrate and enzyme concentration on reaction rates. Includes information on inhibitors, immobilisation and biotechnology. Works alongside CCEA AS Level Biology.
Description: A concise, colourful summary sheet; designed to be ideal for revision. Defines and explains the structure and function of enzymes, as well as the effect of temperature, pH, substrate and enzyme concentration on reaction rates. Includes information on inhibitors, immobilisation and biotechnology. Works alongside CCEA AS Level Biology.
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1
...
2
...
g
...
S
...
2
...
S
...
S
...
) =
more collisions - eventually levels off & A
...
becomes limiting factor
• Enzyme Concentration - ↑ concentration = ↑ reaction rate - more A
...
=
more collisions - up to a limit
Enzyme Inhibitors:
• Bind to enzymes
• Reduce their activity
• Either a direct or indirect
effect
Competitive Inhibitors:
• Resembles substrate
• Competes for A
...
• Temporary
Non-competitive Inhibitors:
• Binds to enzyme
• Changes A
...
shape
• OR irreversibly blocks it
1
...
Adsorption (Chemical):
•
•
•
•
•
Glass
Beads/matrix
Weak forces
Inert material
Expensive but easy
2
...
Encapsulation/Enmeshment:
(Physical)
• Trapped inside a selectively
permeable membrane
Title: Enzymes
Description: A concise, colourful summary sheet; designed to be ideal for revision. Defines and explains the structure and function of enzymes, as well as the effect of temperature, pH, substrate and enzyme concentration on reaction rates. Includes information on inhibitors, immobilisation and biotechnology. Works alongside CCEA AS Level Biology.
Description: A concise, colourful summary sheet; designed to be ideal for revision. Defines and explains the structure and function of enzymes, as well as the effect of temperature, pH, substrate and enzyme concentration on reaction rates. Includes information on inhibitors, immobilisation and biotechnology. Works alongside CCEA AS Level Biology.