MLS Exam 4 Questions & Answers 2024/2025

MLS Exam 4 Questions & Answers 2024/2025 absorbance spectrophotometry - ANSWERSthe concentration of an unknown sample is determined by measuring its absorption of light at a particular wavelength and comparing it with the absorption of light by known standard solutions measured at the same time and with the same wavelength. absorbed - ANSWERSall other wavelengths that are not seen by the eye Beer's Law - ANSWERSthe amount of light absorbed by a solution is directly proportional to the concentration of a solution Bioluminescence - ANSWERSform of chemiluminescence found in biological system Blank solution (blank) - ANSWERScontains all of the reagents used in the procedure without the unknown substance Chemiluminescence - ANSWERSchemical reaction that produces light without producing heat concentration - ANSWERSA measurement of how much solute exists within a certain volume of solvent cuvette - ANSWERSsmall vessel designed to hold a liquid sample in the light path of a spectrophotometer for measurement directly proportional - ANSWERSa term used to describe the relationship between two variables whose graph is a straight line passing through the point (0,0) Electrochemiluminescence - ANSWERSdiffers from chemiluminescence; occurs at the surface of an electrode