Scientific Method
What is the group in an experiment that does not receive the treatment called?
Control Group
How many characteristics define living things?
5
What is the smaller unit that makes up a polymer called?
Monomer
Most enzymes are what type of macromolecule?
Proteins
What is a large molecule made up of smaller repeating units called?
polymer
What variable is changed or manipulated by the researcher?
Independent Variable
Name one characteristic of living things.
growth and development, reproduction, response to stimuli, uses energy, or made of cells
Name the 4 types of Macromolecules.
Carbohydrates, Lipids, Proteins, Nucleic Acids
Enzymes act as what in chemical reactions?
A catalyst
What is the name of the molecule that enzymes bind to and act upon?
Substrate
What variable is measured or observed in an experiment?
Dependent Variable
True or False: Living things are made of cells.
True
What is the function of carbohydrates?
Main energy source
What happens to the activation energy of a reaction when an enzyme is present?
It lowers the activation energy
What term describes a substance that slows down or stops the activity of an enzyme?
inhibitor
What is the purpose of a control group?
Comparison//A baseline
Why is reproduction important for living things?
produce offspring//continuation of species
What is the main function of lipids?
Storing energy and controlling water movement
In the lock and key model, what is the substrate compared to?
The key
What is the monomer made of a phosphate, a sugar, and a base?
Nucleotide
In the following scenario what is the dependent variable?
"A runner tests if drinking coffee before a race makes them run faster."
How fast the runner runs
Give an example of something nonliving and explain why it is nonliving.
Ex: a rock because it does not grow, reproduce, or respond to stimuli
How many amino acids make up proteins and does your body produce all of them?
20 amino acids, and no, the body gets some from food
Name three factors that can affect enzyme activity.
Temperature, pH, inhibitors
What are chains of carbon atoms bonded to each other and to hydrogen atoms?
Lipids