Three "Turns" of the Calvin Cycle Generate a "Surplus" Molecule

question 55

Multiple Choice

Three "turns" of the Calvin cycle generate a "surplus" molecule of glyceraldehyde 3-phosphate (G3P) . Which of the following is a consequence of this?

• A) Formation of a molecule of glucose would require nine "turns."
• B) G3P more readily forms sucrose and other disaccharides than it does monosaccharides.
• C) Some plants would not taste sweet to us.
• D) The formation of sucrose and starch in plants involves assembling G3P molecules, with or without further rearrangements.
• E) Plants accumulate and store G3P.

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