Twelve-carbon sugars

Now let us turn our attention to the reductive and synthetic reactions of photosynthesis. The basic carbon reduction cycle by which carbon dioxide is reduced to sugar phosphate involves at least twelve intermediate compounds. Some of these substances are found in very small concentrations. Many similar compounds are also present in the photosynthetic cell. In some cases they are closely linked by metabolism to the intermediates in the carbon reduction cycle. In order to understand the mechanism of photosynthetic carbon reduction, one must know the identity of the in-... 

Write the molecular and empirical formulas of the following (a) the reactive substance dtborane, which has two boron atoms and six hydrogen atoms (b) the sugar called glucose, which has six carbon atoms, twelve hydrogen atoms, and six oxygen atoms. 

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