In the classic experiment to plot the first action spectrum, T.W. Engelmann used a prism to illuminate a specific filamentous alga. Name the alga used.
Q1. In the classic experiment to plot the first action spectrum, T.W. Engelmann used a prism to illuminate a specific filamentous alga. Name the alga used.
Answer: Spirogyra
Explanation: Engelmann used Spirogyra to show oxygen release; Chlorella was used later by Calvin to study the dark reaction path.