Pronunciation: /ˈækʃən ˈspɛktrəm/
noun a spectrum showing the effectiveness of different wavelengths of light in promoting a particular biological process, such as photosynthesis
A1 An action spectrum is a graphical representation showing the rate of a biological process at different wavelengths of light.
A2 Scientists use action spectra to determine which wavelengths of light are most effective in driving a specific biological process.
B1 The action spectrum of photosynthesis shows that plants absorb light most efficiently in the red and blue regions of the spectrum.
B2 Researchers study the action spectrum of a reaction to understand how different factors influence its rate.
C1 Analyzing the action spectrum of a biochemical pathway can provide valuable insights into the underlying mechanisms of cellular processes.
C2 The action spectrum of a particular enzyme can reveal crucial information about its substrate specificity and catalytic efficiency.
formal The action spectrum is a graph that shows the rate of photosynthesis at different wavelengths of light.
informal The action spectrum tells us which colors of light plants use the most for photosynthesis.
slang Plants have their own favorite colors of light according to the action spectrum.
figurative Just like how different colors of light affect photosynthesis, our actions have a spectrum of impact on others.
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