Matter
All matter is made up of...
Atoms
Which atomic particle is known for having a positive charge?
Protons
What type of molecule is water?
Polar Molecule
The strength of an acid or base in a solution is measured using what scale?
The pH Scale
What is the term for a type of macromolecule that is insoluble in water?
Lipids
What is a type of macromolecule made up of one or more chains of amino acids?
Proteins
What are enzymes?
Proteins and/or Biological Catalysts
What role do carbohydrates have in the body?
Energy Release and Storage
A salad is an example of what kind of mixture?
Heterogenous Mixture
Which atomic particle is known for having a neutral charge?
Neutrons
What is the term for the force of water molecules holding onto another object?
Adhesion
The pH scale spans from which two numbers?
0-14
Water Hating
What are the four key elements of proteins?
Carbon, Hydrogen, Oxygen, Nitrogen (CHON)
How do enzymes speed up reactions?
Lowering the Activation Energy
What does the term "disaccharides" mean?
Two Sugars
Milk is an example of what type of mixture?
Homogenous Mixture
Which atomic particle is known for having a negative change?
Electrons
What is the term for the force of water molecules holding onto each other?
Cohesion
At which point on the pH scale is a solution considered neutral?
7
What does hydrophilic mean?
Water Loving
What is the term for two amino acids joined together by a peptide bond?
Dipeptides
What do enzymes connect with during a reaction?
Substrate
What does polysaccharides mean?
Many Sugars
What are the three states of matter?
Solid, Liquid, Gas
Which atomic particles reside in the nucleus?
Protons and Neutrons
What type of bond forms between water molecules?
Hydrogen Bond
At which point on the pH scale is a solution considered a base?
7-14
Saturated fatty acids have...
No Double Carbon Bonds
What is the term for three or more amino acids joined together by peptide bonds?
Polypeptides
What is the name of the location in which enzymes collide with substrates?
Active Site
Adding water to form shorter molecules is known as...
Hydrolysis
How do atoms combine?
Bonding
The atomic number of an element is equivalent to the number of _________ within one atom of a substance.
Protons
Due to this property of water, bugs can walk on water.
Surface Tension
At which point on the pH scale is a solution considered acidic?
0-7
What part of the cell do phospholipids make up?
Cell/Plasma Membrane
Which process forms polypeptides?
Protein Synthesis
What two factors affect an enzyme function?
Temperature and pH
Dehydration Synthesis