A triose phosphate is a three-carbon sugar carrying a phosphate group. Glyceraldehyde 3-phosphate is one example. The Calvin cycle supplies a net triose phosphate for further carbohydrate synthesis. [ref]
https://openstax.org/books/biology-2e/pages/8-3-using-light-energy-to-make-organic-molecules. OpenStax Biology 2e, 8.3: the Calvin cycle's carbohydrate product
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