Download Enzymes - CynthiaJankowski

_________________
1
Overview
• _______________– process where chemical
bonds between atoms are broken or formed to
produce one or more ____________
substances.
NaCl
Reactants
Na+ + ClProducts
• Starting a chemical rxn requires ___________
________.
• Activation energy – _________ needed to
________ a chemical rxn. ( a chemical _______)
2
What are_____________?
• _________ are substances called
biological ___________ that speed up
chemical rxns by ___________ the
activation energy of the rxns.
• Enzymes are __________ proteins.
• Help regulate __________ reactions.
• Help maintain _______________ as
metabolic reactions in living things would
not occur quickly enough to sustain life.
3
_________ amount of energy needed to start RxN.
4
How do Enzymes ________?
• Enzymes work like a _______ and _______. That
is, only an enzyme of a specific shape can fit the
reactants of the reaction that it is catalyzing.
– This works like a ________ piece. ______
enzyme for ______ substrate.
• The ___________ an enzyme works on is called a
________________.
• The substrate _______ to the ____________to
make the enzyme active.
• When bound, they make an ‘_________________
____________’.
5
• Enzymes that are proteins will have a ___
________________shape
• _____________ are the substance which the
enzyme ______ upon.
6
Enzymes and Substrates work as
‘________and ______” - only one
enzyme will work for each substrate
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A enzyme & substrate fit
like a lock & key (___________
specific)
and like a _______ in a _______
– “_________ _______”
_____________is where the
reactants bind to the enzyme
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Enzymes usually end in ________
Enzymes in Digestion : Substrate
- Trypsin : ________
- Pepsin : __________
- Lipase : __________
- Maltase : ___________
- Protease : ____________
REMEMBER!!!!
- Lactase : _____________
-ASE = ________
_________ will tell you what substrate enzyme
worked on.
______________
Some enzymes need a non-protein component
called a ___________ in order to allow binding
of the substrates. In these cases, if the
coenzyme is _____ present, the enzyme will
not ____________.
_______ of ____________
-How much _______ or ________ (NRG) it takes
to make the reaction occur
NRG activation chart.
_________ which affect the Rate of
RXN
_____________
-_______
-_____________
_______________-_
The __________ where an enzyme works ______ is
called _____________________.
If the temperature is __________ or _________ the
optimal temp, the rate of reaction
will____________.
_____ as a factor of rate of RXN
The pH scale measure the amount of _________
ions in a ____________.
_______________
Rate of enzyme rxn also depends on the
_____________ of the __________.
All available active sites filled
__________________
• ____________ containing enzymes that
________worn out organelles, bacteria, or
viruses
• when a cell dies its lysosomes burst and break
down the cell into ______________ that are
_________ by other cells
• are part of the ___________________ system.
• The __________________ Reticulum
(synthesis and transport) connects with the
_________Appartus (molecule packaging)
which makes the lysosomes
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