Show:
Macromolecules
Functions
Water
pH/Acids/Bases
Enzymes
100
What are the four main macromolecules?
Lipids, Proteins, Carbohydrates, Nucleic Acids
100
What is the function of nucleic acids?
Code for traits; heredity; stores genetic information
100
Describe the polarity of a water molecule including atoms and charges.
2 hydrogen atoms that are slightly positive and one oxygen atom that is slightly negative.
100
What is the range on a pH scale?
0-14
100
What is the purpose of an enzyme?
To catalyze (speed up) a chemical reaction
200
What is the monomer of a lipid?
Fatty acid (or Triglyceride)
200
What is the function of lipids?
Long-term energy storage, insulation
200
Which property of water allows insects to stand on water?
What is cohesion and adhesion (surface tension)
200
These types of solutions release H+ ions into a solution.
An acid
200
How does an enzyme affect the energy level required to start a reaction?
Lowers the activation energy
300
Name one monosaccharide and one polysaccharide.
Monosaccharide--glucose, fructose Polysaccharide, glycogen, cellulose
300
Name 3 functions of proteins.
Structural support, transport, cellular regulation
300
Which property of water allows ice to float?
Water is less dense as a solid.
300
These solutions have pHs ranging from 7.1 - 14
Bases
300
What happens to an enzyme after it performs its "job" on a substrate?
Noting, it is unchanged and gets re-used.
400
What are the monomers of proteins, and how many are there?
Amino Acids 20
400
What is dehydration synthesis?
The building of macromolecules by removing a water molecule.
400
When making a solution of Kool-Aid and water, water is the ______________, and Kool-Aid is the _____________.
solvent, solute
400
This type of paper is used to test for acids and bases.
Litmus paper
400
What is the name of the place on an enzyme where its substrate binds?
Active site
500
What are the three parts of a nucleotide (monomer of DNA/RNA)?
Phosphate, Sugar, Nitrogenous base
500
An enzyme is an example of which macromolecule?
Protein
500
Oil and water do not mix. Complete the following sentence. In a __________________, oil is _____________, and water is ___________________.
suspension, non-polar, polar
500
This type of solution releases an equal amount of H+ ions as OH- ions.
A neutral solution
500
Name one factor that can affect how well an enzyme works
Temperature, pH (acid/base solution), Ionic concentration