A pure substance that cannot be broken down by ordinary means
What is an element?
amino acid
substrate
What does an enzyme act on?
do not contain carbon
The general sharing of electrons
What is a covalent bond?
2 or more elements combined in a fixed ratio
What is a compound?
triglycerides, phospholipids, steroids, eicosanoids,
What are types of lipids?
active site
Where does the substrate bind to?
reaction that breaks apart molecules
The unequal sharing of electrons
What is a polar covalent bond?
CHNOPS
What are the main elements of life?
What is a phospholipid structure?
lower activation energies
What do enzymes do to activation energies?
conducts electrical current in solution
What is an electrolyte?
Two ions, one has negative, one has positive charge
What is an ionic bond?
+1, 0, -1
What are the charges of a proton, neutron, and electron?
What is the structure for triglycerides?
storage of energy, cell membranes, hormones
What is a synthesis reaction?
Bond from hydrogen of polar molecule to an electronegative atom of another molecule
What is a hydrogen bond?
The smallest unit of matter that retains properties of an element
What is an atom?
hydrolysis
How are polymers broken down?
increase in temperature and decrease in pH
What are the causes of denaturation?
The type of molecule that water is
Slight, fleeting attractions between atoms and molecules
What is a van der waals bond?