Chemical Reactions
What is metabolism?
Collective term for all chemical reactions in the body
What are enzymes?
Catalyst that decrease the activation energy of cellular reactions
What are the two primary forms of energy?
Kinetic and Potential
Where does cellular respiration occur?
Mitochondria
What enzyme is associated with lactose intolerance?
Lactase
What are reactants and products?
Reactants are the substances present prior to start of a chemical reaction; products are the substances fromed by the reaction.
What is the active site of an enzyme?
Where the substrate binds to the enzyme.
What is the first law of thermodynamics?
What are waste products of cellular respiration?
Carbon Dioxide & Water
What is the optimal pH for enzyme function?
Groups exchanged between two chemical structures is also known as a...
Exchange Reaction
What is the protein portion of an enzyme?
Apoenzyme
The movement of charged particles is known as
Electrical Energy
Where is the majority of ATP produced?
Electron Transport Chain
The continuous formation and breakdown of ATP is known as...
ATP Cycling
What type of reactions requires energy?
Endergonic Reaction
Increasing the concentration of a substrate increases the rate of reaction up until what point?
Saturation
What is heat energy?
The kinetic energy of random motion.
During glycolysis, glucose is split into two molecules of what?
Pyruvate
The energy of electromagnetic waves is known as
Radiant Energy
What is the energy required to break existing chemical bonds?
Activation Energy
What is the difference between a competitive inhibitor and a noncompetitive inhibitor?
Competitive inhibitor interferes with the active site of enzyme so substrate cannot bind, while a noncompetitive inhibitor changes the shape of enzyme active site so substrate cannot bind to enzyme.
When energy is transformed, some energy is lost as _____.
Heat
In the final stage of the electron transport chain what do hydrogen ions and electrons combine with to form water?
Oxygen
What is an example of a coenzyme?
A Vitamin Derivative