Atoms, Ions & Molecules
What is a neutron?
A particle with no charge
Is water a polar or nonpolar molecule?
Polar
What carbon-based molecule provides a source of quick energy? (Name the molecule and an example)
Carbohydrates = sugar & starches
What is a solute?
A substance that dissolves in a solvent
What does mono- mean?
One
What is a proton?
What is an electron?
A particle with a positive electrical charge
A particle with a negative electrical charge
If a liquid is tested and has a pH of 8, what category does it fit under?
Basic/Alkaline
What are the 2 types of nucleic acids?
DNA & RNA
What is the smallest basic unit of matter?
Atom
What does poly- mean?
Many
Protons & Neutrons
What property causes water for form beads?
Cohesion
What are the 3 structures Carbon can form?
Straight, Branched, and Ring
What is an element?
A particular type of atom; made up of only one type of atom
What is an amino acid?
Monomers of Proteins
Water (H2O) and Carbon Dioxide (CO2) are considered compounds because....
What is the pH scale?
Include the numbers it ranges from and what the sections are broken into)
A scale representing Hydrogen ion concentration
From 1-14; 1-6 = Acidic, 7 = Neutral, & 8-14 = Basic/Alkaline
What molecule is fats and oils considered an example of?
Lipid
What is a homologous mixture?
A mixture with a uniform appearance
What helps make proteins?
Nucleic Acids (DNA & RNA)
Shared pairs of electrons
Cohesion is the attraction between molecules of the same substance, while adhesion is the attraction between molecules of different substances.
What is special about Carbon?
Bonding properties
What is a covalent bond?
A bond formed when two atoms share a pair of electrons
A protein's structure and function are connected. If a protein's structure is altered, what happens to the function?
The protein no longer functions the way it should