The building blocks of matter
What are atoms?
The process by which atoms are reorganized into different substances
What is a chemical reaction?
These types of molecules have oppositely charged regions
What are polar molecules
The study of matter, its structure, and reactions that take place
Made up of protons and neutrons
What is the nucleus?
These atoms/molecules are what changes into new substances.
What are reactants?
Weak electrostatic attractions between molecules
What are van der Waals forces?
Carbon is found in a ratio of 2H:1O in these substances
What are carbohydrates?
Attractive forces between water molecules
What is cohesion?
These are differentiated based upon their number of protons
What are elements?
These lower activation energies needed to start a chemical reaction.
What is a catalyst?
AKA a homogenous mixture
What is a solution?
Fats, oils, and waxes
What are lipids?
This substances binds to an enzyme
What is a substrate?
What are ions?
This is the spot on an enzyme that attracts a substance
What is an active site?
This is a measure of the concentration of hydrogen ions
What is pH?
Made up of amino acids
What are proteins?
This value of this characteristic of water decreases when water is frozen.
What is a covalent bond?
These are known to effect enzyme activity
What are inhibitors?
Mixture that keep pH in a specific range
What is a buffer?
Cell membranes are composed of this substance
What are phospholipids?
A storehouse of chemical energy
What is ATP?