The first action spectrum was obtained by___________?
Correct answer: A. T.W.Englemam
- A. T.W.Englemam
- B. Malleus
- C. T.W.Inws
- D. W.Stapes
Explanation
The first action spectrum was obtained by Theodor Wilhelm Engelmann, who used algal filaments and aerobic bacteria to relate oxygen production to wavelength. Students may choose Malleus or Stapes because those names are also associated with biology, but they are bones of the middle ear, not photosynthesis researchers.
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About Cellular Respiration
Cellular respiration releases energy from glucose through glycolysis, the link reaction, the Krebs cycle and the electron transport chain, producing ATP. The pathway differs in oxygen availability: aerobic respiration uses oxygen and yields more ATP, while anaerobic respiration produces much less ATP and forms lactic acid in muscles or ethanol and carbon dioxide in yeast.
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