Where does autotrophs obtain energy to make organic compounds?

1 Answer
anor277
Dec 10, 2017

A big ball of fiery gas in the sky.....

Explanation:

In order to make glucose, #C_6H_12O_6#, from carbon dioxide, #CO_2#...we need energy to break the strong #O=C=O# bonds....and we represent the reaction as....

#6CO_2 +6H_2O +Delta stackrel(hnu)rarrC_6H_12O_6+6O_2#

The energy derives from solar photons....which enzymes in the plant can efficiently utilize. As a bonus the reaction produces dioxygen gas....

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