Photosynthesis

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Question 1 of 30

The first event in the Calvin cycle is the attachment of carbon dioxide to the five carbon RuBP molecule, which ____________.

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forms a six carbon molecule that immediately breaks down into two three carbon PGA molecules

is a reaction assisted by large quantities of RuBP carboxylase enzyme

decreases cell carbon dioxide levels that increases the diffusion gradient

1, 2 and 3 are correct

immediately becomes a six carbon sugar that is the base for starch, sucrose, cellulose, etc.

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