This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
Optical transmission through a solution depends on 
Select and explain. 
A. Time, B. Concentration, C. Scale, D. Path length
B: Concentration
Answer: B: Concentration 
Explanation: The amount of light that passes through a laboratory specimen. It can be used to measure the concentration of componentsin the specimen (e.g., the amount of solute contained in a solution).Ref: Textbook of Medical Biochemistry, D M VASUDEVAN