ENZYMES
ENZYMES . . .
•
•
•
•
Are proteins (made of _________)
____________ is very specific to its job.
End with suffix ___________
_____________ up reactions by
_______________ activation energy (energy
needed to start a reaction.
• Are ____________ by the reaction(can do
there job over and over again.
ENZYMES . . .
•
•
•
•
Are proteins (made of _amino acids_____)
___Shape_______ is very specific to its job.
End with suffix __-ase_______
___Speed________ up reactions by
___Lowering________ activation energy
(energy needed to start a reaction.
• Are __unchanged_____ by the reaction(can do
their job over and over again).
Lowering Activation Energy
• Blue Line – normal reaction pathway
• Red Line – enzyme assisted pathway
Substrates . . .
• Are the reactants that __________ act
upon.
• Fit into the _________ ________ like a
key fits into a lock.
• Are changed into ___________
Substrates . . .
• Are the reactants that __enzymes__ act
upon.
• Fit into the _active__ __site____ like a
key fits into a lock.
• Are changed into __products______
Can you identify the Enzyme and
substrates in these examples . . .
ENZYME Activity may be . . .
• Inhibited by conditions that ______ _____ _____
• _________________
• _________________
• Slowed by ______________ temperatures.
• Increased by_____________ temperatures.
ENZYME Activity may be . . .
• Disabled by conditions that change their shape
• _high temperatures___
• __pH___________
• Slowed by __cold__ temperatures.
• Increased by__warm___ temperatures.