State the Beer-Lambert law
the absorbance of a solution is proportional to the concentration of the absorbing solute, and to the distance travelled by the light through the sample
A = E x c x l
What is Vmax?
Maximum rate of reaction
The rate of reaction when the enzyme is saturated with substrate.
What is Km?
the concentration of substrate which permits the enzyme to achieve half Vmax.
An enzyme with a high Km has a low affinity for its substrate, and requires a greater concentration of substrate to achieve Vmax.”