
What is the relationship between light absorbance and solute concentration according to Beer's Law?
A protein solution has an absorbance of 0.5 at 280 nm. If the path length is 1 cm and the molar extinction coefficient is 10,000 M^-1 cm^-1, what is the concentration of the protein?
A biochemist is analyzing a protein sample at two different wavelengths, 260 nm and 280 nm. The absorbance at 280 nm is significantly higher. What can be inferred about the molar extinction coefficient at these wavelengths?
Why are tryptophan and tyrosine important in protein quantification using spectrophotometry?
If the path length of a cuvette is doubled, what happens to the absorbance of a solution, assuming all other factors remain constant?
How does the extinction coefficient affect the absorbance of a solution?
How does increasing the concentration of a solute affect the absorbance in a spectrophotometric analysis?