Enzymes
What is the purpose of an enzyme?
To catalyze (speed up) a chemical reaction
True or False: enzymes are shape specific
true
What are the four main macromolecules?
Lipids, Proteins, Carbohydrates, Nucleic Acids
What is the difference between organic and inorganic molecules?
Organic--contains carbon Inorganic--does NOT contain carbon
what numbers represent the pH scale
1 - 14
How does an enzyme affect the energy level required to start a reaction?
Lowers it
This type of model describes when the enzyme locks with a substrate
Lock and Key model
What are the building blocks of carbohydrates
glucose or simple sugars
Which macromolecule: First source of short-term energy.
Carbohydrates
which number on the pH scale is neutral
7
What is the name of the place on an enzyme where its molecule binds?
Active site
Enzymes are this type of macromolecule:
Proteins
what are the building blocks of proteins
amino acids
Which macromolecule: Amino Acids come together to make this
Proteins
Carbon, hydrogen, and nitrogen are examples of
atom or elements
Name one factor that can affect how well an enzyme works
Temperature, pH (acid/base solution), amino acid sequence
When an enzyme loses its shape it no longer works. What is the name for when an enzyme is ruined?
Denature
what are the building blocks of lipids
fatty acids
What macromolecule stores a large amount of energy, insulates heat, makes hormones, and forms the cell membrane?
Lipids
How many amino acids are there
20
What is the name of the molecule that binds to the enzyme active site?
substrate
True or False: Enzymes change shape after a reaction occurs
False
what are the building blocks of nucleic acids
nucelotides
Which macromolecule: Stores genetic information. Examples include DNA and RNA
Nucleic Acid
what percent of your grade are quizzes worth now?
15%