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How is the movement of electrons in ETC in light reaction?
Options
(a) Uphill in terms of redox reaction
(b) down hill in terms of redox reaction
(c) Either Uphill in terms of redox reaction & down hill in terms of redox reaction
(d) Both Uphill in terms of redox reaction & down hill in terms of redox reaction
Correct Answer:
down hill in terms of redox reaction
Explanation:
In ETC of photosynthesis, the movement of electrons is downhill in terms of oxidation reduction or redox potential scale. The electrons are not used up as they pass through the electron transport chain, but they are passed simultaneously, electrons in the reaction centre of PS-I are also excited. When they receive red light of wavelength 700 nm and are transferred to another acceptor molecule that has greater redox potential. These electrons then are moved down hill again, this time to a molecule of ener
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Topics: Photosynthesis in Higher Plants
(153)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Banana is seedless (or sedimentary seeds) because it is developed by
- Which one of the following pairs of plant structures has haploid number of chromosomes?
- Sewage pollution is not responsible for
- The ciliated columnar epithelial cells in humans are known to occur in :
- As temperature changes from 3°C to 45°C, the rate of enzyme activity will
Topics: Photosynthesis in Higher Plants (153)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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