Scientific Method
This is the variable that we manipulate as the scientist
Independent Variable
If I need to pipette 80 microliters, which pipette should I use.
p100 micropipette
How do enzymes speed up reactions
Lower activation energy
Particles always move from a ____ concentration to a _____ concentration
high, low
Photosynthesis turns ___ + H2O -> ____ + O2
CO2 and Glucose
This is the variable on the Y axis
As concentration increases, absorbance will _____
increase
This is the biologic molecule that most enzymes are made out of
Protein
More polar molecules are ____ permeable than less polar molecules
less
When electrons are excited and fluoresce, the light is usually emitted as this color
red
The null hypothesis states that there ______ a relationship between the independent and dependent variable
is not
The color that we see is the color wavelength that is ____
transmitted/reflected
You can measure an enzymatic reaction by the decrease in _____ or the increase in _____
substrate, product
Smaller molecules are ____ permeable than larger molecules
more
(polar/nonpolar) pigments moved further up the polar chromatography paper
nonpolar
Write an alternative hypothesis for this experiment: Different fertilizers have different components, but we want to see which one is best specifically for aloe plants. Will the type of fertilizer affect the growth of the aloe?
The type of fertilizer will affect the growth of the aloe
For the standard curve equation, y=mx+b, what is the absorbance value?
y
A substrate binds to an enzyme at the
active site
This is the movement of water through a semipermeable membrane
Osmosis
The two cycles of photosynthesis are ____ and ____
light reaction and light independent reaction
Write a prediction for the following experiment: Opossums, Didelphis virginianus, are commonly known to eat insects. Researchers create an experiment to address the following question: Will the presence of opossums affect the number of ticks in a forest.
If an opossum is present, there will be less ticks in the forest
what is the purpose of a blank for a spectrometer?
calibrate the spectrometer/set 0 absorbance value
When an enzyme no longer works properly, it is _____
Denatured
The cell membrane is called the _____ bilayer
Phospholipid
The organelle that photosynthesis takes place in
chloroplasts