Facts about Photosynthesis

1. 06

   A single corn plant produces approximately 50 trillion chloroplasts, the organelles where light-dependent reactions of photosynthesis occur.

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2. 05

   C4 plants like corn and sugarcane concentrate carbon dioxide around their rubisco enzyme, achieving photosynthetic efficiency rates up to 60 percent higher than C3 plants.

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3. 04

   Oxygen released by photosynthesis comes entirely from water molecules, as demonstrated by isotope labeling experiments in the 1940s using heavy oxygen markers.

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4. 03

   The Calvin cycle requires three molecules of ATP and two molecules of NADPH to fix one molecule of carbon dioxide into glucose during photosynthesis.

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5. 02

   Chlorophyll molecules absorb light wavelengths primarily in the blue 430-450 nanometer and red 640-680 nanometer ranges, reflecting green light between 500-600 nanometers.

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6. 01

   During photosynthesis, plants convert approximately 1 percent of incident solar energy into chemical energy stored in glucose molecules.

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