The ratio between 2-carbon and 3-carbon intermediates having – N H 2 group formed in photosynthetic oxidation cycle is

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During photorespiration in Peroxisome, two molecules of glycine ( 2 H 2 N C H 2 - C O 2 ) are transferred into mitochondrion, where they are converted into one molecule of serine ( H O C H 2 - H 2 N C H - C O 2 ). Thus, the ratio between 2C and 3C intermediates having – N H 2 group is 2:1.

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