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Biology C What is C3 plant ? The majority of photosynthetic plants that produce, as the initial steps of CO2 incorporation, a three-carbon compound, phosphoglyceric acid (PGA), as the first stable intermediate (CALVIN CYCLE). The PGA molecules are further phosphorylated (by ATP) and are reduced by NADPH to form phosphoglyceraldehyde (PGAL), which then serves as the starting material for the synthesis of glucose and fructose, which, when combined, make sucrose that travels through the plant. Velvetleaf (Abutilon theophrasti) is an example of a C3 plant. What is C4 plant ? A small number of plants that incorporate CO2 using a carboxylase for the CO2 capture, producing a four-carbon compound (carboxylic acid) as a stable intermediary in the first step of photosynthesis. C4 plants (e.g., corn) supply CO2 for the CALVIN CYCLE. What is cage ? An aggregate of molecules, generally in the condensed phase, that surround the fragments formed by thermal or photochemical dissociation of a s

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Biology questions and answers A to Z

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