Me 50 points water is used during the electron transport chain in while water is formed from the electron transport chain in (1) photosynthesis, (2) cellular respiration (1) cellular respiration, (2) photosynthesis (1) fermentation, (2) anaerobic respiration (1) anaerobic respiration, (2) photosynthesis

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the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: