Of the following, which one light - gathering?
Correct answer: A. Antenna complex
- A. Antenna complex
- B. Reaction centre
- C. Photosystem
- D. None of these
Explanation
The antenna complex contains pigment molecules that capture light over a broad range of wavelengths and transfer the excitation energy to the reaction centre. The likely alternative is the reaction centre, but it performs the primary photochemical conversion rather than gathering most of the incoming light.
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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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