A brilliant, yet color-blind, researcher in the biology department has been growing cultured specimens of a dreaded bacterium in Petri dishes. While the culture solution is an opaque white, the...

A brilliant, yet color-blind, researcher in the biology department has been growing cultured specimens of a dreaded bacterium in Petri dishes. While the culture solution is an opaque white, the bacteria are a pastel pink under visible light. This has hindered her greatly in the daily task of estimating the bacteria growth because she cannot discern yellow/orange/red hues.