Definition of REPROACH. 1. : an expression of rebuke or disapproval. 2. 3. a: a cause or occasion of blame, discredit, or disgrace b: discredit, disgrace. 4.
What is the difference between a spectrophotometer and a photometer? A photometer simply measure the total lumens of a light source, while a spectrophotometer will measure a whole spectral of that same light source.
In this laboratory you will examine the effects of changes in substrate and enzyme concentration, pH, and temperature on the activity of lactase. Spectrophotometry The spectrophotometer is an instrument which measures the amount of light of a specified wavelength which passes through a medium.