Nature of Matter
Water and Solutions
Organic Macromolecules A
Organic Macromolecules B
Energy and Chemical Reactions
100
The three parts of an atom and their charges are
proton (+), electron (-), neutron (neutral)
100
An attraction between substances of the different kind?
adhesion
100
CHONPS
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur
100
The four organic macromolecules.
carbohydrates, lipids, proteins, nucleic acids
100
A process that changes, or transforms, one set of chemicals into another.
chemical reaction
200
Describe the two components of a solution
solute: substance that is dissolved solvent: substance in which the solute dissolves
200
True/False Water molecule is an example of covalent bond
True
200
A single unit/sub-unit of a molecule
Monomer
200
A chain of amino acids.
protein
200
the energy needed to get a reaction started
activation energy
300
Joins to or more atoms together by sharing electrons, ex. CO2
covalent bond
300
Reduces the concentration of hydrogen ions
a base
300
Main source of energy for living things
carbohydrates
300
Formed when glycerol combines with fatty acids
Lipid
300
The starting materials of a reaction.
reactants
400
A molecule with a partially charged positive end and a partially charged negative end
polar molecule
400
Has a pH of less than 7
acid
400
Functions include structure, repair and speeding up reactions
Protein
400
Specifically: glucose, fructose and galactose
monosaccharide
400
The substance on which an enzyme acts.
substrate
500
Joins two or more molecules together by transferring electrons Ex. NaCl
ionic bond
500
NaCl dissolves in water because it is ________
polar or an ionic compound
500
What is the relationship between enzymes and activation energy?
Enzyme decrease the activation energy during chemical reactions.
500
glycogen is associated with this type of organic macromolecule.
carbohydrate
500
Where a reaction occurs on a protein.
active site
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