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Unit 1 Key Area 6 Word Bank Metabolic Pathways Cards
Unit 1 Key Area 6 Word Bank Metabolic Pathways Cards
11
Anatomy
Intermediate
06/01/2017

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Term
Metabolism
Definition
all the chemical reaction that occur within the human body
Term
Anabolic pathways
Definition
require energy and involve the building up of molecules
Term
Catabolic pathways
Definition
release energy and involve the breaking down of molecules
Term
The rate of chemical reaction is indicated by
Definition
the quantity of chemical change that occurs per unit time
Term
Activation Energy
Definition
the energy required to break chemical bonds in the reactant chemicals
Term
A catalyst
Definition
speeds up a reaction, lowers the activation energy and remains unchanged
Term
Enzymes contain an active site which
Definition
is a specific shape
Term
The active site of an enzyme
Definition
is a flexible and dynamic structure
Term
Induced fit
Definition
when the shape of the active site changes slightly to fit the substrate better
Term
When the reaction involves two or more substrates
Definition
the shape of the active site determines the orientation of the reactants
Term
To function efficiently an enzyme requires
Definition
suitable temperature, pH and substrate concentration
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