Electrons that enter the light reactions of photosynthesis can be traced through

Question

Electrons that enter the light reactions of photosynthesis can be traced through all the photosynthesis processes ending up in a molecule that can be later used in respiration. These same electrons can then be tracked through the processes of respiration. Put the options listed below in order starting with the original electron donor (at the beginning of photosynthesis) and ending with the ultimate electron acceptor at the end of respiration.

A. Complex 1 in inner mitochondrial membrane, B. Glucose, C. H2O, D. NADH, E. G3P, F. NADPH, G. O2, H. Photosystem I, I. Photosystem II

Explanation / Answer

H2O

Photosystem II

Photosystem I

NADPH

G3P

Glucose

Complex 1 in inner mitochondrial membrane

NADH

O2

This is the fate of electron which enters by splitting of water molecule which enters PSII then to PSI enters fixation in glucose then the glucose is again split up in TCA cycle the intermediate NADH is formed and the final electron acceptor is oxygen at the end of cellular respiration.

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