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Chloroplasts kept in the dark were supplied with ATP, CO2 and NADPH and were able to...

Chloroplasts kept in the dark were supplied with ATP, CO2 and NADPH and were able to produce glucose. How is this possible?   

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If we supply ATP, CO2 and NADPH chloroplasts are able to produce glucose. Because light is needed for light reaction only. Light reaction is used to produce the energy storing molecules such as ATP and NADPH which is essential for the dark reaction. Once the we supply ATP, CO2 and NADPH directly, the dark reaction of photosynthesis (Calvin cycle) will use the energy stored in ATP and NADPH to convert CO2 in to Glucose. Calvin cycle/dark reaction is a light-independent reaction. Therefore, Chloroplasts kept in the dark when supplied with ATP, CO2 and NADPH they to produce glucose.

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