Chapter 4 Enzymes and Energy
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What is the law of mass action
An increase in amount of reactants will increase the rate of production Also… An increase in the amount of products will decrease the rate of production
What is an enzyme
A biological catalyst that lowers activation energy in order to speed up the rate of reaction
What characteristics of enzymes are there
Enzymes are proteins They usually end in “ase” Some require activation Lock and Key model
Lock and key model
The use of binding sites to bring substrates together
What effects enzymes
Temperature pH Concentration
What are the 3 metabolic pathways and where does each occur
• Glycolysis - cytosol • Krebs cycle - matrix • Oxidation phosphorylation - inner membrane
What is ATP known as
The universal energy carrier
What is saturation
When all enzymes are participating fully because there is an abundant amount of substrate